40064060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25357}}^1$

素因数の和:25445

約数の個数: 24

約数和(自身を含む): 85202880

約数和(自身を除く): 45138820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25357, 50714, 101428, 126785, 253570, 507140, 2003203, 4006406, 8012812, 10016015, 20032030, 40064060]

約数ペア:

[(1, 40064060), (2, 20032030), (4, 10016015), (5, 8012812), (10, 4006406), (20, 2003203), (79, 507140), (158, 253570), (316, 126785), (395, 101428), (790, 50714), (1580, 25357)]