25155440

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 58710528

約数和(自身を除く): 33555088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 821, 1532, 1642, 1915, 3064, 3284, 3830, 4105, 6128, 6568, 7660, 8210, 13136, 15320, 16420, 30640, 32840, 65680, 314443, 628886, 1257772, 1572215, 2515544, 3144430, 5031088, 6288860, 12577720, 25155440]

約数ペア:

[(1, 25155440), (2, 12577720), (4, 6288860), (5, 5031088), (8, 3144430), (10, 2515544), (16, 1572215), (20, 1257772), (40, 628886), (80, 314443), (383, 65680), (766, 32840), (821, 30640), (1532, 16420), (1642, 15320), (1915, 13136), (3064, 8210), (3284, 7660), (3830, 6568), (4105, 6128)]