25406240

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1749

約数の個数: 48

約数和(自身を含む): 60678072

約数和(自身を除く): 35271832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1637, 1940, 3104, 3274, 3880, 6548, 7760, 8185, 13096, 15520, 16370, 26192, 32740, 52384, 65480, 130960, 158789, 261920, 317578, 635156, 793945, 1270312, 1587890, 2540624, 3175780, 5081248, 6351560, 12703120, 25406240]

約数ペア:

[(1, 25406240), (2, 12703120), (4, 6351560), (5, 5081248), (8, 3175780), (10, 2540624), (16, 1587890), (20, 1270312), (32, 793945), (40, 635156), (80, 317578), (97, 261920), (160, 158789), (194, 130960), (388, 65480), (485, 52384), (776, 32740), (970, 26192), (1552, 16370), (1637, 15520), (1940, 13096), (3104, 8185), (3274, 7760), (3880, 6548)]