22040360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2797}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 49860360

約数和(自身を除く): 27820000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2797, 3940, 5594, 7880, 11188, 13985, 22376, 27970, 55940, 111880, 551009, 1102018, 2204036, 2755045, 4408072, 5510090, 11020180, 22040360]

約数ペア:

[(1, 22040360), (2, 11020180), (4, 5510090), (5, 4408072), (8, 2755045), (10, 2204036), (20, 1102018), (40, 551009), (197, 111880), (394, 55940), (788, 27970), (985, 22376), (1576, 13985), (1970, 11188), (2797, 7880), (3940, 5594)]