23640440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2801}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 53462160

約数和(自身を除く): 29821720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2801, 4220, 5602, 8440, 11204, 14005, 22408, 28010, 56020, 112040, 591011, 1182022, 2364044, 2955055, 4728088, 5910110, 11820220, 23640440]

約数ペア:

[(1, 23640440), (2, 11820220), (4, 5910110), (5, 4728088), (8, 2955055), (10, 2364044), (20, 1182022), (40, 591011), (211, 112040), (422, 56020), (844, 28010), (1055, 22408), (1688, 14005), (2110, 11204), (2801, 8440), (4220, 5602)]