69845750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21491}}^1$

素因数の和:21521

約数の個数: 32

約数和(自身を含む): 140815584

約数和(自身を除く): 70969834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21491, 42982, 107455, 214910, 279383, 537275, 558766, 1074550, 1396915, 2686375, 2793830, 5372750, 6984575, 13969150, 34922875, 69845750]

約数ペア:

[(1, 69845750), (2, 34922875), (5, 13969150), (10, 6984575), (13, 5372750), (25, 2793830), (26, 2686375), (50, 1396915), (65, 1074550), (125, 558766), (130, 537275), (250, 279383), (325, 214910), (650, 107455), (1625, 42982), (3250, 21491)]