23135720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13451}}^1$

素因数の和:13505

約数の個数: 32

約数和(自身を含む): 53269920

約数和(自身を除く): 30134200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13451, 26902, 53804, 67255, 107608, 134510, 269020, 538040, 578393, 1156786, 2313572, 2891965, 4627144, 5783930, 11567860, 23135720]

約数ペア:

[(1, 23135720), (2, 11567860), (4, 5783930), (5, 4627144), (8, 2891965), (10, 2313572), (20, 1156786), (40, 578393), (43, 538040), (86, 269020), (172, 134510), (215, 107608), (344, 67255), (430, 53804), (860, 26902), (1720, 13451)]