25961520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 88869312

約数和(自身を除く): 62907792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 157, 159, 195, 208, 212, 240, 260, 265, 312, 314, 318, 390, 424, 471, 520, 530, 624, 628, 636, 689, 780, 785, 795, 848, 942, 1040, 1060, 1256, 1272, 1378, 1560, 1570, 1590, 1884, 2041, 2067, 2120, 2355, 2512, 2544, 2756, 3120, 3140, 3180, 3445, 3768, 4082, 4134, 4240, 4710, 5512, 6123, 6280, 6360, 6890, 7536, 8164, 8268, 8321, 9420, 10205, 10335, 11024, 12246, 12560, 12720, 13780, 16328, 16536, 16642, 18840, 20410, 20670, 24492, 24963, 27560, 30615, 32656, 33072, 33284, 37680, 40820, 41340, 41605, 48984, 49926, 55120, 61230, 66568, 81640, 82680, 83210, 97968, 99852, 108173, 122460, 124815, 133136, 163280, 165360, 166420, 199704, 216346, 244920, 249630, 324519, 332840, 399408, 432692, 489840, 499260, 540865, 649038, 665680, 865384, 998520, 1081730, 1298076, 1622595, 1730768, 1997040, 2163460, 2596152, 3245190, 4326920, 5192304, 6490380, 8653840, 12980760, 25961520]

約数ペア:

[(1, 25961520), (2, 12980760), (3, 8653840), (4, 6490380), (5, 5192304), (6, 4326920), (8, 3245190), (10, 2596152), (12, 2163460), (13, 1997040), (15, 1730768), (16, 1622595), (20, 1298076), (24, 1081730), (26, 998520), (30, 865384), (39, 665680), (40, 649038), (48, 540865), (52, 499260), (53, 489840), (60, 432692), (65, 399408), (78, 332840), (80, 324519), (104, 249630), (106, 244920), (120, 216346), (130, 199704), (156, 166420), (157, 165360), (159, 163280), (195, 133136), (208, 124815), (212, 122460), (240, 108173), (260, 99852), (265, 97968), (312, 83210), (314, 82680), (318, 81640), (390, 66568), (424, 61230), (471, 55120), (520, 49926), (530, 48984), (624, 41605), (628, 41340), (636, 40820), (689, 37680), (780, 33284), (785, 33072), (795, 32656), (848, 30615), (942, 27560), (1040, 24963), (1060, 24492), (1256, 20670), (1272, 20410), (1378, 18840), (1560, 16642), (1570, 16536), (1590, 16328), (1884, 13780), (2041, 12720), (2067, 12560), (2120, 12246), (2355, 11024), (2512, 10335), (2544, 10205), (2756, 9420), (3120, 8321), (3140, 8268), (3180, 8164), (3445, 7536), (3768, 6890), (4082, 6360), (4134, 6280), (4240, 6123), (4710, 5512)]