209260408040

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{23459687}}^1$

素因数の和:23459921

約数の個数: 32

約数和(自身を含む): 472947310080

約数和(自身を除く): 263686902040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 23459687, 46919374, 93838748, 117298435, 187677496, 234596870, 469193740, 938387480, 5231510201, 10463020402, 20926040804, 26157551005, 41852081608, 52315102010, 104630204020, 209260408040]

約数ペア:

[(1, 209260408040), (2, 104630204020), (4, 52315102010), (5, 41852081608), (8, 26157551005), (10, 20926040804), (20, 10463020402), (40, 5231510201), (223, 938387480), (446, 469193740), (892, 234596870), (1115, 187677496), (1784, 117298435), (2230, 93838748), (4460, 46919374), (8920, 23459687)]