157470920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{47431}}^1$

素因数の和:47525

約数の個数: 32

約数和(自身を含む): 358585920

約数和(自身を除く): 201115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 47431, 94862, 189724, 237155, 379448, 474310, 948620, 1897240, 3936773, 7873546, 15747092, 19683865, 31494184, 39367730, 78735460, 157470920]

約数ペア:

[(1, 157470920), (2, 78735460), (4, 39367730), (5, 31494184), (8, 19683865), (10, 15747092), (20, 7873546), (40, 3936773), (83, 1897240), (166, 948620), (332, 474310), (415, 379448), (664, 237155), (830, 189724), (1660, 94862), (3320, 47431)]