85797920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 232424640

約数和(自身を除く): 146626720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 167, 169, 190, 208, 247, 260, 304, 334, 338, 380, 416, 494, 520, 608, 668, 676, 760, 835, 845, 988, 1040, 1235, 1336, 1352, 1520, 1670, 1690, 1976, 2080, 2171, 2470, 2672, 2704, 3040, 3173, 3211, 3340, 3380, 3952, 4342, 4940, 5344, 5408, 6346, 6422, 6680, 6760, 7904, 8684, 9880, 10855, 12692, 12844, 13360, 13520, 15865, 16055, 17368, 19760, 21710, 25384, 25688, 26720, 27040, 28223, 31730, 32110, 34736, 39520, 41249, 43420, 50768, 51376, 56446, 63460, 64220, 69472, 82498, 86840, 101536, 102752, 112892, 126920, 128440, 141115, 164996, 173680, 206245, 225784, 253840, 256880, 282230, 329992, 347360, 412490, 451568, 507680, 513760, 536237, 564460, 659984, 824980, 903136, 1072474, 1128920, 1319968, 1649960, 2144948, 2257840, 2681185, 3299920, 4289896, 4515680, 5362370, 6599840, 8579792, 10724740, 17159584, 21449480, 42898960, 85797920]

約数ペア:

[(1, 85797920), (2, 42898960), (4, 21449480), (5, 17159584), (8, 10724740), (10, 8579792), (13, 6599840), (16, 5362370), (19, 4515680), (20, 4289896), (26, 3299920), (32, 2681185), (38, 2257840), (40, 2144948), (52, 1649960), (65, 1319968), (76, 1128920), (80, 1072474), (95, 903136), (104, 824980), (130, 659984), (152, 564460), (160, 536237), (167, 513760), (169, 507680), (190, 451568), (208, 412490), (247, 347360), (260, 329992), (304, 282230), (334, 256880), (338, 253840), (380, 225784), (416, 206245), (494, 173680), (520, 164996), (608, 141115), (668, 128440), (676, 126920), (760, 112892), (835, 102752), (845, 101536), (988, 86840), (1040, 82498), (1235, 69472), (1336, 64220), (1352, 63460), (1520, 56446), (1670, 51376), (1690, 50768), (1976, 43420), (2080, 41249), (2171, 39520), (2470, 34736), (2672, 32110), (2704, 31730), (3040, 28223), (3173, 27040), (3211, 26720), (3340, 25688), (3380, 25384), (3952, 21710), (4342, 19760), (4940, 17368), (5344, 16055), (5408, 15865), (6346, 13520), (6422, 13360), (6680, 12844), (6760, 12692), (7904, 10855), (8684, 9880)]