51479740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 129971520

約数和(自身を除く): 78491780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 613, 646, 884, 988, 1105, 1226, 1235, 1292, 1615, 2210, 2452, 2470, 3065, 3230, 4199, 4420, 4940, 6130, 6460, 7969, 8398, 10421, 11647, 12260, 15938, 16796, 20842, 20995, 23294, 31876, 39845, 41684, 41990, 46588, 52105, 58235, 79690, 83980, 104210, 116470, 135473, 151411, 159380, 197999, 208420, 232940, 270946, 302822, 395998, 541892, 605644, 677365, 757055, 791996, 989995, 1354730, 1514110, 1979990, 2573987, 2709460, 3028220, 3959980, 5147974, 10295948, 12869935, 25739870, 51479740]

約数ペア:

[(1, 51479740), (2, 25739870), (4, 12869935), (5, 10295948), (10, 5147974), (13, 3959980), (17, 3028220), (19, 2709460), (20, 2573987), (26, 1979990), (34, 1514110), (38, 1354730), (52, 989995), (65, 791996), (68, 757055), (76, 677365), (85, 605644), (95, 541892), (130, 395998), (170, 302822), (190, 270946), (221, 232940), (247, 208420), (260, 197999), (323, 159380), (340, 151411), (380, 135473), (442, 116470), (494, 104210), (613, 83980), (646, 79690), (884, 58235), (988, 52105), (1105, 46588), (1226, 41990), (1235, 41684), (1292, 39845), (1615, 31876), (2210, 23294), (2452, 20995), (2470, 20842), (3065, 16796), (3230, 15938), (4199, 12260), (4420, 11647), (4940, 10421), (6130, 8398), (6460, 7969)]