85486540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251431}}^1$

素因数の和:251457

約数の個数: 24

約数和(自身を含む): 190082592

約数和(自身を除く): 104596052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 251431, 502862, 1005724, 1257155, 2514310, 4274327, 5028620, 8548654, 17097308, 21371635, 42743270, 85486540]

約数ペア:

[(1, 85486540), (2, 42743270), (4, 21371635), (5, 17097308), (10, 8548654), (17, 5028620), (20, 4274327), (34, 2514310), (68, 1257155), (85, 1005724), (170, 502862), (340, 251431)]