22071880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2801}}^1$

素因数の和:3009

約数の個数: 32

約数和(自身を含む): 49931640

約数和(自身を除く): 27859760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2801, 3940, 5602, 7880, 11204, 14005, 22408, 28010, 56020, 112040, 551797, 1103594, 2207188, 2758985, 4414376, 5517970, 11035940, 22071880]

約数ペア:

[(1, 22071880), (2, 11035940), (4, 5517970), (5, 4414376), (8, 2758985), (10, 2207188), (20, 1103594), (40, 551797), (197, 112040), (394, 56020), (788, 28010), (985, 22408), (1576, 14005), (1970, 11204), (2801, 7880), (3940, 5602)]