51493780

素因数分解:

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

素因数の和:233

約数の個数: 96

約数和(自身を含む): 124185600

約数和(自身を除く): 72691820

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 79, 92, 109, 115, 130, 158, 218, 230, 260, 299, 316, 395, 436, 460, 545, 598, 790, 1027, 1090, 1196, 1417, 1495, 1580, 1817, 2054, 2180, 2507, 2834, 2990, 3634, 4108, 5014, 5135, 5668, 5980, 7085, 7268, 8611, 9085, 10028, 10270, 12535, 14170, 17222, 18170, 20540, 23621, 25070, 28340, 32591, 34444, 36340, 43055, 47242, 50140, 65182, 86110, 94484, 111943, 118105, 130364, 162955, 172220, 198053, 223886, 236210, 325910, 396106, 447772, 472420, 559715, 651820, 792212, 990265, 1119430, 1980530, 2238860, 2574689, 3961060, 5149378, 10298756, 12873445, 25746890, 51493780]

約数ペア:

[(1, 51493780), (2, 25746890), (4, 12873445), (5, 10298756), (10, 5149378), (13, 3961060), (20, 2574689), (23, 2238860), (26, 1980530), (46, 1119430), (52, 990265), (65, 792212), (79, 651820), (92, 559715), (109, 472420), (115, 447772), (130, 396106), (158, 325910), (218, 236210), (230, 223886), (260, 198053), (299, 172220), (316, 162955), (395, 130364), (436, 118105), (460, 111943), (545, 94484), (598, 86110), (790, 65182), (1027, 50140), (1090, 47242), (1196, 43055), (1417, 36340), (1495, 34444), (1580, 32591), (1817, 28340), (2054, 25070), (2180, 23621), (2507, 20540), (2834, 18170), (2990, 17222), (3634, 14170), (4108, 12535), (5014, 10270), (5135, 10028), (5668, 9085), (5980, 8611), (7085, 7268)]