72870005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{6263}}^1$

素因数の和:6460

約数の個数: 16

約数和(自身を含む): 94711680

約数和(自身を除く): 21841675

約数列:

[1, 5, 13, 65, 179, 895, 2327, 6263, 11635, 31315, 81419, 407095, 1121077, 5605385, 14574001, 72870005]

約数ペア:

[(1, 72870005), (5, 14574001), (13, 5605385), (65, 1121077), (179, 407095), (895, 81419), (2327, 31315), (6263, 11635)]