1221873750320

素因数分解:

$2^4\times 5^1\times {\mathrm{624961}}^1\times {\mathrm{24439}}^1$

素因数の和:649413

約数の個数: 40

約数和(自身を含む): 2840977258080

約数和(自身を除く): 1619103507760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24439, 48878, 97756, 122195, 195512, 244390, 391024, 488780, 624961, 977560, 1249922, 1955120, 2499844, 3124805, 4999688, 6249610, 9999376, 12499220, 24998440, 49996880, 15273421879, 30546843758, 61093687516, 76367109395, 122187375032, 152734218790, 244374750064, 305468437580, 610936875160, 1221873750320]

約数ペア:

[(1, 1221873750320), (2, 610936875160), (4, 305468437580), (5, 244374750064), (8, 152734218790), (10, 122187375032), (16, 76367109395), (20, 61093687516), (40, 30546843758), (80, 15273421879), (24439, 49996880), (48878, 24998440), (97756, 12499220), (122195, 9999376), (195512, 6249610), (244390, 4999688), (391024, 3124805), (488780, 2499844), (624961, 1955120), (977560, 1249922)]