81294650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 158989824

約数和(自身を除く): 77695174

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 223, 230, 317, 446, 575, 634, 1115, 1150, 1585, 2230, 3170, 5129, 5575, 7291, 7925, 10258, 11150, 14582, 15850, 25645, 36455, 51290, 70691, 72910, 128225, 141382, 182275, 256450, 353455, 364550, 706910, 1625893, 1767275, 3251786, 3534550, 8129465, 16258930, 40647325, 81294650]

約数ペア:

[(1, 81294650), (2, 40647325), (5, 16258930), (10, 8129465), (23, 3534550), (25, 3251786), (46, 1767275), (50, 1625893), (115, 706910), (223, 364550), (230, 353455), (317, 256450), (446, 182275), (575, 141382), (634, 128225), (1115, 72910), (1150, 70691), (1585, 51290), (2230, 36455), (3170, 25645), (5129, 15850), (5575, 14582), (7291, 11150), (7925, 10258)]