85402160

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13513}}^1$

素因数の和:13605

約数の個数: 40

約数和(自身を含む): 201088320

約数和(自身を除く): 115686160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 13513, 27026, 54052, 67565, 108104, 135130, 216208, 270260, 540520, 1067527, 1081040, 2135054, 4270108, 5337635, 8540216, 10675270, 17080432, 21350540, 42701080, 85402160]

約数ペア:

[(1, 85402160), (2, 42701080), (4, 21350540), (5, 17080432), (8, 10675270), (10, 8540216), (16, 5337635), (20, 4270108), (40, 2135054), (79, 1081040), (80, 1067527), (158, 540520), (316, 270260), (395, 216208), (632, 135130), (790, 108104), (1264, 67565), (1580, 54052), (3160, 27026), (6320, 13513)]