425750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 864864

約数和(自身を除く): 439114

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 131, 250, 262, 325, 650, 655, 1310, 1625, 1703, 3250, 3275, 3406, 6550, 8515, 16375, 17030, 32750, 42575, 85150, 212875, 425750]

約数ペア:

[(1, 425750), (2, 212875), (5, 85150), (10, 42575), (13, 32750), (25, 17030), (26, 16375), (50, 8515), (65, 6550), (125, 3406), (130, 3275), (131, 3250), (250, 1703), (262, 1625), (325, 1310), (650, 655)]