25413520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28879}}^1$

素因数の和:28903

約数の個数: 40

約数和(自身を含む): 64460160

約数和(自身を除く): 39046640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28879, 57758, 115516, 144395, 231032, 288790, 317669, 462064, 577580, 635338, 1155160, 1270676, 1588345, 2310320, 2541352, 3176690, 5082704, 6353380, 12706760, 25413520]

約数ペア:

[(1, 25413520), (2, 12706760), (4, 6353380), (5, 5082704), (8, 3176690), (10, 2541352), (11, 2310320), (16, 1588345), (20, 1270676), (22, 1155160), (40, 635338), (44, 577580), (55, 462064), (80, 317669), (88, 288790), (110, 231032), (176, 144395), (220, 115516), (440, 57758), (880, 28879)]