25746890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 27475510

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 79, 109, 115, 130, 158, 218, 230, 299, 395, 545, 598, 790, 1027, 1090, 1417, 1495, 1817, 2054, 2507, 2834, 2990, 3634, 5014, 5135, 7085, 8611, 9085, 10270, 12535, 14170, 17222, 18170, 23621, 25070, 32591, 43055, 47242, 65182, 86110, 111943, 118105, 162955, 198053, 223886, 236210, 325910, 396106, 559715, 990265, 1119430, 1980530, 2574689, 5149378, 12873445, 25746890]

約数ペア:

[(1, 25746890), (2, 12873445), (5, 5149378), (10, 2574689), (13, 1980530), (23, 1119430), (26, 990265), (46, 559715), (65, 396106), (79, 325910), (109, 236210), (115, 223886), (130, 198053), (158, 162955), (218, 118105), (230, 111943), (299, 86110), (395, 65182), (545, 47242), (598, 43055), (790, 32591), (1027, 25070), (1090, 23621), (1417, 18170), (1495, 17222), (1817, 14170), (2054, 12535), (2507, 10270), (2834, 9085), (2990, 8611), (3634, 7085), (5014, 5135)]