85751240

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6983}}^1$

素因数の和:7301

約数の個数: 32

約数和(自身を含む): 193596480

約数和(自身を除く): 107845240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 6983, 12280, 13966, 27932, 34915, 55864, 69830, 139660, 279320, 2143781, 4287562, 8575124, 10718905, 17150248, 21437810, 42875620, 85751240]

約数ペア:

[(1, 85751240), (2, 42875620), (4, 21437810), (5, 17150248), (8, 10718905), (10, 8575124), (20, 4287562), (40, 2143781), (307, 279320), (614, 139660), (1228, 69830), (1535, 55864), (2456, 34915), (3070, 27932), (6140, 13966), (6983, 12280)]