80339780

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6553}}^1$

素因数の和:7175

約数の個数: 24

約数和(自身を含む): 169014552

約数和(自身を除く): 88674772

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 6553, 12260, 13106, 26212, 32765, 65530, 131060, 4016989, 8033978, 16067956, 20084945, 40169890, 80339780]

約数ペア:

[(1, 80339780), (2, 40169890), (4, 20084945), (5, 16067956), (10, 8033978), (20, 4016989), (613, 131060), (1226, 65530), (2452, 32765), (3065, 26212), (6130, 13106), (6553, 12260)]