8687240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7489}}^1$

素因数の和:7529

約数の個数: 32

約数和(自身を含む): 20223000

約数和(自身を除く): 11535760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 7489, 14978, 29956, 37445, 59912, 74890, 149780, 217181, 299560, 434362, 868724, 1085905, 1737448, 2171810, 4343620, 8687240]

約数ペア:

[(1, 8687240), (2, 4343620), (4, 2171810), (5, 1737448), (8, 1085905), (10, 868724), (20, 434362), (29, 299560), (40, 217181), (58, 149780), (116, 74890), (145, 59912), (232, 37445), (290, 29956), (580, 14978), (1160, 7489)]