80963350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 72

約数和(自身を含む): 172676448

約数和(自身を除く): 91713098

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 289, 325, 425, 431, 442, 578, 650, 850, 862, 1105, 1445, 2155, 2210, 2890, 3757, 4310, 5525, 5603, 7225, 7327, 7514, 10775, 11050, 11206, 14450, 14654, 18785, 21550, 28015, 36635, 37570, 56030, 73270, 93925, 95251, 124559, 140075, 183175, 187850, 190502, 249118, 280150, 366350, 476255, 622795, 952510, 1245590, 1619267, 2381275, 3113975, 3238534, 4762550, 6227950, 8096335, 16192670, 40481675, 80963350]

約数ペア:

[(1, 80963350), (2, 40481675), (5, 16192670), (10, 8096335), (13, 6227950), (17, 4762550), (25, 3238534), (26, 3113975), (34, 2381275), (50, 1619267), (65, 1245590), (85, 952510), (130, 622795), (170, 476255), (221, 366350), (289, 280150), (325, 249118), (425, 190502), (431, 187850), (442, 183175), (578, 140075), (650, 124559), (850, 95251), (862, 93925), (1105, 73270), (1445, 56030), (2155, 37570), (2210, 36635), (2890, 28015), (3757, 21550), (4310, 18785), (5525, 14654), (5603, 14450), (7225, 11206), (7327, 11050), (7514, 10775)]