99637960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31531}}^1$

素因数の和:31621

約数の個数: 32

約数和(自身を含む): 227030400

約数和(自身を除く): 127392440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 31531, 63062, 126124, 157655, 252248, 315310, 630620, 1261240, 2490949, 4981898, 9963796, 12454745, 19927592, 24909490, 49818980, 99637960]

約数ペア:

[(1, 99637960), (2, 49818980), (4, 24909490), (5, 19927592), (8, 12454745), (10, 9963796), (20, 4981898), (40, 2490949), (79, 1261240), (158, 630620), (316, 315310), (395, 252248), (632, 157655), (790, 126124), (1580, 63062), (3160, 31531)]