25252780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3034

約数の個数: 48

約数和(自身を含む): 61621056

約数和(自身を除く): 36368276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 2957, 4270, 5914, 8540, 11828, 14785, 20699, 29570, 41398, 59140, 82796, 103495, 180377, 206990, 360754, 413980, 721508, 901885, 1262639, 1803770, 2525278, 3607540, 5050556, 6313195, 12626390, 25252780]

約数ペア:

[(1, 25252780), (2, 12626390), (4, 6313195), (5, 5050556), (7, 3607540), (10, 2525278), (14, 1803770), (20, 1262639), (28, 901885), (35, 721508), (61, 413980), (70, 360754), (122, 206990), (140, 180377), (244, 103495), (305, 82796), (427, 59140), (610, 41398), (854, 29570), (1220, 20699), (1708, 14785), (2135, 11828), (2957, 8540), (4270, 5914)]