421837160

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{8623}}^1$

素因数の和:9857

約数の個数: 32

約数和(自身を含む): 950019840

約数和(自身を除く): 528182680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 2446, 4892, 6115, 8623, 9784, 12230, 17246, 24460, 34492, 43115, 48920, 68984, 86230, 172460, 344920, 10545929, 21091858, 42183716, 52729645, 84367432, 105459290, 210918580, 421837160]

約数ペア:

[(1, 421837160), (2, 210918580), (4, 105459290), (5, 84367432), (8, 52729645), (10, 42183716), (20, 21091858), (40, 10545929), (1223, 344920), (2446, 172460), (4892, 86230), (6115, 68984), (8623, 48920), (9784, 43115), (12230, 34492), (17246, 24460)]