2505900625

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 3205224000

約数和(自身を除く): 699323375

約数列:

[1, 5, 25, 71, 125, 149, 355, 379, 625, 745, 1775, 1895, 3725, 8875, 9475, 10579, 18625, 26909, 44375, 47375, 52895, 56471, 93125, 134545, 236875, 264475, 282355, 672725, 1322375, 1411775, 3363625, 4009441, 6611875, 7058875, 16818125, 20047205, 35294375, 100236025, 501180125, 2505900625]

約数ペア:

[(1, 2505900625), (5, 501180125), (25, 100236025), (71, 35294375), (125, 20047205), (149, 16818125), (355, 7058875), (379, 6611875), (625, 4009441), (745, 3363625), (1775, 1411775), (1895, 1322375), (3725, 672725), (8875, 282355), (9475, 264475), (10579, 236875), (18625, 134545), (26909, 93125), (44375, 56471), (47375, 52895)]