212366920

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{6451}}^1$

素因数の和:7285

約数の個数: 32

約数和(自身を含む): 478480320

約数和(自身を除く): 266113400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 3292, 4115, 6451, 6584, 8230, 12902, 16460, 25804, 32255, 32920, 51608, 64510, 129020, 258040, 5309173, 10618346, 21236692, 26545865, 42473384, 53091730, 106183460, 212366920]

約数ペア:

[(1, 212366920), (2, 106183460), (4, 53091730), (5, 42473384), (8, 26545865), (10, 21236692), (20, 10618346), (40, 5309173), (823, 258040), (1646, 129020), (3292, 64510), (4115, 51608), (6451, 32920), (6584, 32255), (8230, 25804), (12902, 16460)]