31121271800

素因数分解:

$2^3\times 5^2\times {\mathrm{2371}}^1\times {\mathrm{65629}}^1$

素因数の和:68016

約数の個数: 48

約数和(自身を含む): 72388577400

約数和(自身を除く): 41267305600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2371, 4742, 9484, 11855, 18968, 23710, 47420, 59275, 65629, 94840, 118550, 131258, 237100, 262516, 328145, 474200, 525032, 656290, 1312580, 1640725, 2625160, 3281450, 6562900, 13125800, 155606359, 311212718, 622425436, 778031795, 1244850872, 1556063590, 3112127180, 3890158975, 6224254360, 7780317950, 15560635900, 31121271800]

約数ペア:

[(1, 31121271800), (2, 15560635900), (4, 7780317950), (5, 6224254360), (8, 3890158975), (10, 3112127180), (20, 1556063590), (25, 1244850872), (40, 778031795), (50, 622425436), (100, 311212718), (200, 155606359), (2371, 13125800), (4742, 6562900), (9484, 3281450), (11855, 2625160), (18968, 1640725), (23710, 1312580), (47420, 656290), (59275, 525032), (65629, 474200), (94840, 328145), (118550, 262516), (131258, 237100)]