31375660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 68457312

約数和(自身を除く): 37081652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 461, 820, 830, 922, 1660, 1844, 2305, 3403, 4610, 6806, 9220, 13612, 17015, 18901, 34030, 37802, 38263, 68060, 75604, 76526, 94505, 153052, 189010, 191315, 378020, 382630, 765260, 1568783, 3137566, 6275132, 7843915, 15687830, 31375660]

約数ペア:

[(1, 31375660), (2, 15687830), (4, 7843915), (5, 6275132), (10, 3137566), (20, 1568783), (41, 765260), (82, 382630), (83, 378020), (164, 191315), (166, 189010), (205, 153052), (332, 94505), (410, 76526), (415, 75604), (461, 68060), (820, 38263), (830, 37802), (922, 34030), (1660, 18901), (1844, 17015), (2305, 13612), (3403, 9220), (4610, 6806)]