31038680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9349}}^1$

素因数の和:9443

約数の個数: 32

約数和(自身を含む): 70686000

約数和(自身を除く): 39647320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 9349, 18698, 37396, 46745, 74792, 93490, 186980, 373960, 775967, 1551934, 3103868, 3879835, 6207736, 7759670, 15519340, 31038680]

約数ペア:

[(1, 31038680), (2, 15519340), (4, 7759670), (5, 6207736), (8, 3879835), (10, 3103868), (20, 1551934), (40, 775967), (83, 373960), (166, 186980), (332, 93490), (415, 74792), (664, 46745), (830, 37396), (1660, 18698), (3320, 9349)]