25120810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 53558568

約数和(自身を除く): 28437758

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 1597, 3146, 3194, 7865, 7985, 15730, 15970, 17567, 20761, 35134, 41522, 87835, 103805, 175670, 193237, 207610, 228371, 386474, 456742, 966185, 1141855, 1932370, 2283710, 2512081, 5024162, 12560405, 25120810]

約数ペア:

[(1, 25120810), (2, 12560405), (5, 5024162), (10, 2512081), (11, 2283710), (13, 1932370), (22, 1141855), (26, 966185), (55, 456742), (65, 386474), (110, 228371), (121, 207610), (130, 193237), (143, 175670), (242, 103805), (286, 87835), (605, 41522), (715, 35134), (1210, 20761), (1430, 17567), (1573, 15970), (1597, 15730), (3146, 7985), (3194, 7865)]