74509240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143287}}^1$

素因数の和:143311

約数の個数: 32

約数和(自身を含む): 180542880

約数和(自身を除く): 106033640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143287, 286574, 573148, 716435, 1146296, 1432870, 1862731, 2865740, 3725462, 5731480, 7450924, 9313655, 14901848, 18627310, 37254620, 74509240]

約数ペア:

[(1, 74509240), (2, 37254620), (4, 18627310), (5, 14901848), (8, 9313655), (10, 7450924), (13, 5731480), (20, 3725462), (26, 2865740), (40, 1862731), (52, 1432870), (65, 1146296), (104, 716435), (130, 573148), (260, 286574), (520, 143287)]