84806140

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3989}}^1$

素因数の和:5061

約数の個数: 24

約数和(自身を含む): 178305120

約数和(自身を除く): 93498980

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 3989, 4252, 5315, 7978, 10630, 15956, 19945, 21260, 39890, 79780, 4240307, 8480614, 16961228, 21201535, 42403070, 84806140]

約数ペア:

[(1, 84806140), (2, 42403070), (4, 21201535), (5, 16961228), (10, 8480614), (20, 4240307), (1063, 79780), (2126, 39890), (3989, 21260), (4252, 19945), (5315, 15956), (7978, 10630)]