16806781640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38197231}}^1$

素因数の和:38197253

約数の個数: 32

約数和(自身を含む): 41253010560

約数和(自身を除く): 24446228920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38197231, 76394462, 152788924, 190986155, 305577848, 381972310, 420169541, 763944620, 840339082, 1527889240, 1680678164, 2100847705, 3361356328, 4201695410, 8403390820, 16806781640]

約数ペア:

[(1, 16806781640), (2, 8403390820), (4, 4201695410), (5, 3361356328), (8, 2100847705), (10, 1680678164), (11, 1527889240), (20, 840339082), (22, 763944620), (40, 420169541), (44, 381972310), (55, 305577848), (88, 190986155), (110, 152788924), (220, 76394462), (440, 38197231)]