85389980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19319}}^1$

素因数の和:19358

約数の個数: 48

約数和(自身を含む): 204482880

約数和(自身を除く): 119092900

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19319, 38638, 77276, 96595, 193190, 251147, 328423, 386380, 502294, 656846, 1004588, 1255735, 1313692, 1642115, 2511470, 3284230, 4269499, 5022940, 6568460, 8538998, 17077996, 21347495, 42694990, 85389980]

約数ペア:

[(1, 85389980), (2, 42694990), (4, 21347495), (5, 17077996), (10, 8538998), (13, 6568460), (17, 5022940), (20, 4269499), (26, 3284230), (34, 2511470), (52, 1642115), (65, 1313692), (68, 1255735), (85, 1004588), (130, 656846), (170, 502294), (221, 386380), (260, 328423), (340, 251147), (442, 193190), (884, 96595), (1105, 77276), (2210, 38638), (4420, 19319)]