78576920

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{8431}}^1$

素因数の和:8675

約数の個数: 32

約数和(自身を含む): 177577920

約数和(自身を除く): 99001000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 8431, 9320, 16862, 33724, 42155, 67448, 84310, 168620, 337240, 1964423, 3928846, 7857692, 9822115, 15715384, 19644230, 39288460, 78576920]

約数ペア:

[(1, 78576920), (2, 39288460), (4, 19644230), (5, 15715384), (8, 9822115), (10, 7857692), (20, 3928846), (40, 1964423), (233, 337240), (466, 168620), (932, 84310), (1165, 67448), (1864, 42155), (2330, 33724), (4660, 16862), (8431, 9320)]