78287240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67489}}^1$

素因数の和:67529

約数の個数: 32

約数和(自身を含む): 182223000

約数和(自身を除く): 103935760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67489, 134978, 269956, 337445, 539912, 674890, 1349780, 1957181, 2699560, 3914362, 7828724, 9785905, 15657448, 19571810, 39143620, 78287240]

約数ペア:

[(1, 78287240), (2, 39143620), (4, 19571810), (5, 15657448), (8, 9785905), (10, 7828724), (20, 3914362), (29, 2699560), (40, 1957181), (58, 1349780), (116, 674890), (145, 539912), (232, 337445), (290, 269956), (580, 134978), (1160, 67489)]