89266840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 139347560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 53, 65, 79, 82, 104, 106, 130, 158, 164, 205, 212, 260, 265, 316, 328, 395, 410, 424, 520, 530, 533, 632, 689, 790, 820, 1027, 1060, 1066, 1378, 1580, 1640, 2054, 2120, 2132, 2173, 2665, 2756, 3160, 3239, 3445, 4108, 4187, 4264, 4346, 5135, 5330, 5512, 6478, 6890, 8216, 8374, 8692, 10270, 10660, 10865, 12956, 13780, 16195, 16748, 17384, 20540, 20935, 21320, 21730, 25912, 27560, 28249, 32390, 33496, 41080, 41870, 42107, 43460, 54431, 56498, 64780, 83740, 84214, 86920, 108862, 112996, 129560, 141245, 167480, 168428, 171667, 210535, 217724, 225992, 272155, 282490, 336856, 343334, 421070, 435448, 544310, 564980, 686668, 842140, 858335, 1088620, 1129960, 1373336, 1684280, 1716670, 2177240, 2231671, 3433340, 4463342, 6866680, 8926684, 11158355, 17853368, 22316710, 44633420, 89266840]

約数ペア:

[(1, 89266840), (2, 44633420), (4, 22316710), (5, 17853368), (8, 11158355), (10, 8926684), (13, 6866680), (20, 4463342), (26, 3433340), (40, 2231671), (41, 2177240), (52, 1716670), (53, 1684280), (65, 1373336), (79, 1129960), (82, 1088620), (104, 858335), (106, 842140), (130, 686668), (158, 564980), (164, 544310), (205, 435448), (212, 421070), (260, 343334), (265, 336856), (316, 282490), (328, 272155), (395, 225992), (410, 217724), (424, 210535), (520, 171667), (530, 168428), (533, 167480), (632, 141245), (689, 129560), (790, 112996), (820, 108862), (1027, 86920), (1060, 84214), (1066, 83740), (1378, 64780), (1580, 56498), (1640, 54431), (2054, 43460), (2120, 42107), (2132, 41870), (2173, 41080), (2665, 33496), (2756, 32390), (3160, 28249), (3239, 27560), (3445, 25912), (4108, 21730), (4187, 21320), (4264, 20935), (4346, 20540), (5135, 17384), (5330, 16748), (5512, 16195), (6478, 13780), (6890, 12956), (8216, 10865), (8374, 10660), (8692, 10270)]