81274565320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22079}}^1\times {\mathrm{7079}}^1$

素因数の和:29182

約数の個数: 64

約数和(自身を含む): 196971264000

約数和(自身を除く): 115696698680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7079, 14158, 22079, 28316, 35395, 44158, 56632, 70790, 88316, 92027, 110395, 141580, 176632, 184054, 220790, 283160, 287027, 368108, 441580, 460135, 574054, 736216, 883160, 920270, 1148108, 1435135, 1840540, 2296216, 2870270, 3681080, 5740540, 11481080, 156297241, 312594482, 625188964, 781486205, 1250377928, 1562972410, 2031864133, 3125944820, 4063728266, 6251889640, 8127456532, 10159320665, 16254913064, 20318641330, 40637282660, 81274565320]

約数ペア:

[(1, 81274565320), (2, 40637282660), (4, 20318641330), (5, 16254913064), (8, 10159320665), (10, 8127456532), (13, 6251889640), (20, 4063728266), (26, 3125944820), (40, 2031864133), (52, 1562972410), (65, 1250377928), (104, 781486205), (130, 625188964), (260, 312594482), (520, 156297241), (7079, 11481080), (14158, 5740540), (22079, 3681080), (28316, 2870270), (35395, 2296216), (44158, 1840540), (56632, 1435135), (70790, 1148108), (88316, 920270), (92027, 883160), (110395, 736216), (141580, 574054), (176632, 460135), (184054, 441580), (220790, 368108), (283160, 287027)]