31526840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 76282560

約数和(自身を除く): 44755720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 653, 680, 710, 1207, 1306, 1420, 2414, 2612, 2840, 3265, 4828, 5224, 6035, 6530, 9656, 11101, 12070, 13060, 22202, 24140, 26120, 44404, 46363, 48280, 55505, 88808, 92726, 111010, 185452, 222020, 231815, 370904, 444040, 463630, 788171, 927260, 1576342, 1854520, 3152684, 3940855, 6305368, 7881710, 15763420, 31526840]

約数ペア:

[(1, 31526840), (2, 15763420), (4, 7881710), (5, 6305368), (8, 3940855), (10, 3152684), (17, 1854520), (20, 1576342), (34, 927260), (40, 788171), (68, 463630), (71, 444040), (85, 370904), (136, 231815), (142, 222020), (170, 185452), (284, 111010), (340, 92726), (355, 88808), (568, 55505), (653, 48280), (680, 46363), (710, 44404), (1207, 26120), (1306, 24140), (1420, 22202), (2414, 13060), (2612, 12070), (2840, 11101), (3265, 9656), (4828, 6530), (5224, 6035)]