7989140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2309}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 16881480

約数和(自身を除く): 8892340

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 2309, 3460, 4618, 9236, 11545, 23090, 46180, 399457, 798914, 1597828, 1997285, 3994570, 7989140]

約数ペア:

[(1, 7989140), (2, 3994570), (4, 1997285), (5, 1597828), (10, 798914), (20, 399457), (173, 46180), (346, 23090), (692, 11545), (865, 9236), (1730, 4618), (2309, 3460)]