80853880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54631}}^1$

素因数の和:54679

約数の個数: 32

約数和(自身を含む): 186841440

約数和(自身を除く): 105987560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 54631, 109262, 218524, 273155, 437048, 546310, 1092620, 2021347, 2185240, 4042694, 8085388, 10106735, 16170776, 20213470, 40426940, 80853880]

約数ペア:

[(1, 80853880), (2, 40426940), (4, 20213470), (5, 16170776), (8, 10106735), (10, 8085388), (20, 4042694), (37, 2185240), (40, 2021347), (74, 1092620), (148, 546310), (185, 437048), (296, 273155), (370, 218524), (740, 109262), (1480, 54631)]