16205240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 20514760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2719, 2980, 5438, 5960, 10876, 13595, 21752, 27190, 54380, 108760, 405131, 810262, 1620524, 2025655, 3241048, 4051310, 8102620, 16205240]

約数ペア:

[(1, 16205240), (2, 8102620), (4, 4051310), (5, 3241048), (8, 2025655), (10, 1620524), (20, 810262), (40, 405131), (149, 108760), (298, 54380), (596, 27190), (745, 21752), (1192, 13595), (1490, 10876), (2719, 5960), (2980, 5438)]