25443730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 54159840

約数和(自身を除く): 28716110

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 34, 58, 65, 85, 130, 145, 170, 221, 290, 377, 397, 442, 493, 754, 794, 986, 1105, 1885, 1985, 2210, 2465, 3770, 3970, 4930, 5161, 6409, 6749, 10322, 11513, 12818, 13498, 23026, 25805, 32045, 33745, 51610, 57565, 64090, 67490, 87737, 115130, 149669, 175474, 195721, 299338, 391442, 438685, 748345, 877370, 978605, 1496690, 1957210, 2544373, 5088746, 12721865, 25443730]

約数ペア:

[(1, 25443730), (2, 12721865), (5, 5088746), (10, 2544373), (13, 1957210), (17, 1496690), (26, 978605), (29, 877370), (34, 748345), (58, 438685), (65, 391442), (85, 299338), (130, 195721), (145, 175474), (170, 149669), (221, 115130), (290, 87737), (377, 67490), (397, 64090), (442, 57565), (493, 51610), (754, 33745), (794, 32045), (986, 25805), (1105, 23026), (1885, 13498), (1985, 12818), (2210, 11513), (2465, 10322), (3770, 6749), (3970, 6409), (4930, 5161)]