8990890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21929}}^1$

素因数の和:21977

約数の個数: 16

約数和(自身を含む): 16579080

約数和(自身を除く): 7588190

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 21929, 43858, 109645, 219290, 899089, 1798178, 4495445, 8990890]

約数ペア:

[(1, 8990890), (2, 4495445), (5, 1798178), (10, 899089), (41, 219290), (82, 109645), (205, 43858), (410, 21929)]