69313840

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1663}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 161561088

約数和(自身を除く): 92247248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 1663, 2084, 2605, 3326, 4168, 5210, 6652, 8315, 8336, 10420, 13304, 16630, 20840, 26608, 33260, 41680, 66520, 133040, 866423, 1732846, 3465692, 4332115, 6931384, 8664230, 13862768, 17328460, 34656920, 69313840]

約数ペア:

[(1, 69313840), (2, 34656920), (4, 17328460), (5, 13862768), (8, 8664230), (10, 6931384), (16, 4332115), (20, 3465692), (40, 1732846), (80, 866423), (521, 133040), (1042, 66520), (1663, 41680), (2084, 33260), (2605, 26608), (3326, 20840), (4168, 16630), (5210, 13304), (6652, 10420), (8315, 8336)]