25633220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 55434288

約数和(自身を除く): 29801068

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 181, 194, 292, 362, 365, 388, 485, 724, 730, 905, 970, 1460, 1810, 1940, 3620, 7081, 13213, 14162, 17557, 26426, 28324, 35114, 35405, 52852, 66065, 70228, 70810, 87785, 132130, 141620, 175570, 264260, 351140, 1281661, 2563322, 5126644, 6408305, 12816610, 25633220]

約数ペア:

[(1, 25633220), (2, 12816610), (4, 6408305), (5, 5126644), (10, 2563322), (20, 1281661), (73, 351140), (97, 264260), (146, 175570), (181, 141620), (194, 132130), (292, 87785), (362, 70810), (365, 70228), (388, 66065), (485, 52852), (724, 35405), (730, 35114), (905, 28324), (970, 26426), (1460, 17557), (1810, 14162), (1940, 13213), (3620, 7081)]