25120628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 50725584

約数和(自身を除く): 25604956

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 157, 181, 221, 314, 362, 442, 628, 724, 884, 2041, 2353, 2669, 3077, 4082, 4706, 5338, 6154, 8164, 9412, 10676, 12308, 28417, 34697, 40001, 56834, 69394, 80002, 113668, 138788, 160004, 369421, 483089, 738842, 966178, 1477684, 1932356, 6280157, 12560314, 25120628]

約数ペア:

[(1, 25120628), (2, 12560314), (4, 6280157), (13, 1932356), (17, 1477684), (26, 966178), (34, 738842), (52, 483089), (68, 369421), (157, 160004), (181, 138788), (221, 113668), (314, 80002), (362, 69394), (442, 56834), (628, 40001), (724, 34697), (884, 28417), (2041, 12308), (2353, 10676), (2669, 9412), (3077, 8164), (4082, 6154), (4706, 5338)]