23280220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 27170180

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 181, 218, 236, 295, 362, 436, 545, 590, 724, 905, 1090, 1180, 1810, 2180, 3620, 6431, 10679, 12862, 19729, 21358, 25724, 32155, 39458, 42716, 53395, 64310, 78916, 98645, 106790, 128620, 197290, 213580, 394580, 1164011, 2328022, 4656044, 5820055, 11640110, 23280220]

約数ペア:

[(1, 23280220), (2, 11640110), (4, 5820055), (5, 4656044), (10, 2328022), (20, 1164011), (59, 394580), (109, 213580), (118, 197290), (181, 128620), (218, 106790), (236, 98645), (295, 78916), (362, 64310), (436, 53395), (545, 42716), (590, 39458), (724, 32155), (905, 25724), (1090, 21358), (1180, 19729), (1810, 12862), (2180, 10679), (3620, 6431)]