90971360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18341}}^1$

素因数の和:18387

約数の個数: 48

約数和(自身を含む): 221864832

約数和(自身を除く): 130893472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18341, 36682, 73364, 91705, 146728, 183410, 293456, 366820, 568571, 586912, 733640, 1137142, 1467280, 2274284, 2842855, 2934560, 4548568, 5685710, 9097136, 11371420, 18194272, 22742840, 45485680, 90971360]

約数ペア:

[(1, 90971360), (2, 45485680), (4, 22742840), (5, 18194272), (8, 11371420), (10, 9097136), (16, 5685710), (20, 4548568), (31, 2934560), (32, 2842855), (40, 2274284), (62, 1467280), (80, 1137142), (124, 733640), (155, 586912), (160, 568571), (248, 366820), (310, 293456), (496, 183410), (620, 146728), (992, 91705), (1240, 73364), (2480, 36682), (4960, 18341)]