2220687640

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{151273}}^1$

素因数の和:151651

約数の個数: 32

約数和(自身を含む): 5010194880

約数和(自身を除く): 2789507240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14680, 151273, 302546, 605092, 756365, 1210184, 1512730, 3025460, 6050920, 55517191, 111034382, 222068764, 277585955, 444137528, 555171910, 1110343820, 2220687640]

約数ペア:

[(1, 2220687640), (2, 1110343820), (4, 555171910), (5, 444137528), (8, 277585955), (10, 222068764), (20, 111034382), (40, 55517191), (367, 6050920), (734, 3025460), (1468, 1512730), (1835, 1210184), (2936, 756365), (3670, 605092), (7340, 302546), (14680, 151273)]