8265920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2017

約数の個数: 56

約数和(自身を含む): 21207984

約数和(自身を除く): 12942064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1987, 2080, 3974, 4160, 7948, 9935, 15896, 19870, 25831, 31792, 39740, 51662, 63584, 79480, 103324, 127168, 129155, 158960, 206648, 258310, 317920, 413296, 516620, 635840, 826592, 1033240, 1653184, 2066480, 4132960, 8265920]

約数ペア:

[(1, 8265920), (2, 4132960), (4, 2066480), (5, 1653184), (8, 1033240), (10, 826592), (13, 635840), (16, 516620), (20, 413296), (26, 317920), (32, 258310), (40, 206648), (52, 158960), (64, 129155), (65, 127168), (80, 103324), (104, 79480), (130, 63584), (160, 51662), (208, 39740), (260, 31792), (320, 25831), (416, 19870), (520, 15896), (832, 9935), (1040, 7948), (1987, 4160), (2080, 3974)]