7138820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27457}}^1$

素因数の和:27479

約数の個数: 24

約数和(自身を含む): 16145304

約数和(自身を除く): 9006484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27457, 54914, 109828, 137285, 274570, 356941, 549140, 713882, 1427764, 1784705, 3569410, 7138820]

約数ペア:

[(1, 7138820), (2, 3569410), (4, 1784705), (5, 1427764), (10, 713882), (13, 549140), (20, 356941), (26, 274570), (52, 137285), (65, 109828), (130, 54914), (260, 27457)]