40378920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{336491}}^1$

素因数の和:336505

約数の個数: 32

約数和(自身を含む): 121137120

約数和(自身を除く): 80758200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 336491, 672982, 1009473, 1345964, 1682455, 2018946, 2691928, 3364910, 4037892, 5047365, 6729820, 8075784, 10094730, 13459640, 20189460, 40378920]

約数ペア:

[(1, 40378920), (2, 20189460), (3, 13459640), (4, 10094730), (5, 8075784), (6, 6729820), (8, 5047365), (10, 4037892), (12, 3364910), (15, 2691928), (20, 2018946), (24, 1682455), (30, 1345964), (40, 1009473), (60, 672982), (120, 336491)]