25227760

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3251}}^1$

素因数の和:3361

約数の個数: 40

約数和(自身を含む): 59277456

約数和(自身を除く): 34049696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3251, 3880, 6502, 7760, 13004, 16255, 26008, 32510, 52016, 65020, 130040, 260080, 315347, 630694, 1261388, 1576735, 2522776, 3153470, 5045552, 6306940, 12613880, 25227760]

約数ペア:

[(1, 25227760), (2, 12613880), (4, 6306940), (5, 5045552), (8, 3153470), (10, 2522776), (16, 1576735), (20, 1261388), (40, 630694), (80, 315347), (97, 260080), (194, 130040), (388, 65020), (485, 52016), (776, 32510), (970, 26008), (1552, 16255), (1940, 13004), (3251, 7760), (3880, 6502)]