71507980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{11423}}^1$

素因数の和:11745

約数の個数: 24

約数和(自身を含む): 150659712

約数和(自身を除く): 79151732

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 11423, 22846, 45692, 57115, 114230, 228460, 3575399, 7150798, 14301596, 17876995, 35753990, 71507980]

約数ペア:

[(1, 71507980), (2, 35753990), (4, 17876995), (5, 14301596), (10, 7150798), (20, 3575399), (313, 228460), (626, 114230), (1252, 57115), (1565, 45692), (3130, 22846), (6260, 11423)]