8012680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 20462400

約数和(自身を除く): 12449720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 811, 988, 1235, 1622, 1976, 2470, 3244, 4055, 4940, 6488, 8110, 9880, 10543, 15409, 16220, 21086, 30818, 32440, 42172, 52715, 61636, 77045, 84344, 105430, 123272, 154090, 200317, 210860, 308180, 400634, 421720, 616360, 801268, 1001585, 1602536, 2003170, 4006340, 8012680]

約数ペア:

[(1, 8012680), (2, 4006340), (4, 2003170), (5, 1602536), (8, 1001585), (10, 801268), (13, 616360), (19, 421720), (20, 400634), (26, 308180), (38, 210860), (40, 200317), (52, 154090), (65, 123272), (76, 105430), (95, 84344), (104, 77045), (130, 61636), (152, 52715), (190, 42172), (247, 32440), (260, 30818), (380, 21086), (494, 16220), (520, 15409), (760, 10543), (811, 9880), (988, 8110), (1235, 6488), (1622, 4940), (1976, 4055), (2470, 3244)]