42008980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161573}}^1$

素因数の和:161595

約数の個数: 24

約数和(自身を含む): 95005512

約数和(自身を除く): 52996532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161573, 323146, 646292, 807865, 1615730, 2100449, 3231460, 4200898, 8401796, 10502245, 21004490, 42008980]

約数ペア:

[(1, 42008980), (2, 21004490), (4, 10502245), (5, 8401796), (10, 4200898), (13, 3231460), (20, 2100449), (26, 1615730), (52, 807865), (65, 646292), (130, 323146), (260, 161573)]