25718576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2027}}^1$

素因数の和:2109

約数の個数: 40

約数和(自身を含む): 54569424

約数和(自身を除く): 28850848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2027, 3172, 4054, 6344, 8108, 12688, 16216, 26351, 32432, 52702, 105404, 123647, 210808, 247294, 421616, 494588, 989176, 1607411, 1978352, 3214822, 6429644, 12859288, 25718576]

約数ペア:

[(1, 25718576), (2, 12859288), (4, 6429644), (8, 3214822), (13, 1978352), (16, 1607411), (26, 989176), (52, 494588), (61, 421616), (104, 247294), (122, 210808), (208, 123647), (244, 105404), (488, 52702), (793, 32432), (976, 26351), (1586, 16216), (2027, 12688), (3172, 8108), (4054, 6344)]