31625780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 70834176

約数和(自身を除く): 39208396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 487, 764, 955, 974, 1910, 1948, 2435, 3247, 3820, 4870, 6494, 8279, 9740, 12988, 16235, 16558, 32470, 33116, 41395, 64940, 82790, 93017, 165580, 186034, 372068, 465085, 930170, 1581289, 1860340, 3162578, 6325156, 7906445, 15812890, 31625780]

約数ペア:

[(1, 31625780), (2, 15812890), (4, 7906445), (5, 6325156), (10, 3162578), (17, 1860340), (20, 1581289), (34, 930170), (68, 465085), (85, 372068), (170, 186034), (191, 165580), (340, 93017), (382, 82790), (487, 64940), (764, 41395), (955, 33116), (974, 32470), (1910, 16558), (1948, 16235), (2435, 12988), (3247, 9740), (3820, 8279), (4870, 6494)]