74561240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143387}}^1$

素因数の和:143411

約数の個数: 32

約数和(自身を含む): 180668880

約数和(自身を除く): 106107640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143387, 286774, 573548, 716935, 1147096, 1433870, 1864031, 2867740, 3728062, 5735480, 7456124, 9320155, 14912248, 18640310, 37280620, 74561240]

約数ペア:

[(1, 74561240), (2, 37280620), (4, 18640310), (5, 14912248), (8, 9320155), (10, 7456124), (13, 5735480), (20, 3728062), (26, 2867740), (40, 1864031), (52, 1433870), (65, 1147096), (104, 716935), (130, 573548), (260, 286774), (520, 143387)]