10513750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 40

約数和(自身を含む): 21255696

約数和(自身を除く): 10741946

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 647, 650, 1250, 1294, 1625, 3235, 3250, 6470, 8125, 8411, 16175, 16250, 16822, 32350, 42055, 80875, 84110, 161750, 210275, 404375, 420550, 808750, 1051375, 2102750, 5256875, 10513750]

約数ペア:

[(1, 10513750), (2, 5256875), (5, 2102750), (10, 1051375), (13, 808750), (25, 420550), (26, 404375), (50, 210275), (65, 161750), (125, 84110), (130, 80875), (250, 42055), (325, 32350), (625, 16822), (647, 16250), (650, 16175), (1250, 8411), (1294, 8125), (1625, 6470), (3235, 3250)]