206221240

素因数分解:

$2^3\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{3659}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 464454000

約数和(自身を除く): 258232760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1409, 2818, 3659, 5636, 7045, 7318, 11272, 14090, 14636, 18295, 28180, 29272, 36590, 56360, 73180, 146360, 5155531, 10311062, 20622124, 25777655, 41244248, 51555310, 103110620, 206221240]

約数ペア:

[(1, 206221240), (2, 103110620), (4, 51555310), (5, 41244248), (8, 25777655), (10, 20622124), (20, 10311062), (40, 5155531), (1409, 146360), (2818, 73180), (3659, 56360), (5636, 36590), (7045, 29272), (7318, 28180), (11272, 18295), (14090, 14636)]