39913640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76757}}^1$

素因数の和:76781

約数の個数: 32

約数和(自身を含む): 96715080

約数和(自身を除く): 56801440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76757, 153514, 307028, 383785, 614056, 767570, 997841, 1535140, 1995682, 3070280, 3991364, 4989205, 7982728, 9978410, 19956820, 39913640]

約数ペア:

[(1, 39913640), (2, 19956820), (4, 9978410), (5, 7982728), (8, 4989205), (10, 3991364), (13, 3070280), (20, 1995682), (26, 1535140), (40, 997841), (52, 767570), (65, 614056), (104, 383785), (130, 307028), (260, 153514), (520, 76757)]