25817740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 33170420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 911, 1090, 1417, 1822, 2180, 2834, 3644, 4555, 5668, 7085, 9110, 11843, 14170, 18220, 23686, 28340, 47372, 59215, 99299, 118430, 198598, 236860, 397196, 496495, 992990, 1290887, 1985980, 2581774, 5163548, 6454435, 12908870, 25817740]

約数ペア:

[(1, 25817740), (2, 12908870), (4, 6454435), (5, 5163548), (10, 2581774), (13, 1985980), (20, 1290887), (26, 992990), (52, 496495), (65, 397196), (109, 236860), (130, 198598), (218, 118430), (260, 99299), (436, 59215), (545, 47372), (911, 28340), (1090, 23686), (1417, 18220), (1822, 14170), (2180, 11843), (2834, 9110), (3644, 7085), (4555, 5668)]