55475140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5668

約数の個数: 48

約数和(自身を含む): 135039744

約数和(自身を除く): 79564604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5581, 9940, 11162, 22324, 27905, 39067, 55810, 78134, 111620, 156268, 195335, 390670, 396251, 781340, 792502, 1585004, 1981255, 2773757, 3962510, 5547514, 7925020, 11095028, 13868785, 27737570, 55475140]

約数ペア:

[(1, 55475140), (2, 27737570), (4, 13868785), (5, 11095028), (7, 7925020), (10, 5547514), (14, 3962510), (20, 2773757), (28, 1981255), (35, 1585004), (70, 792502), (71, 781340), (140, 396251), (142, 390670), (284, 195335), (355, 156268), (497, 111620), (710, 78134), (994, 55810), (1420, 39067), (1988, 27905), (2485, 22324), (4970, 11162), (5581, 9940)]