89858960

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1669}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 209357880

約数和(自身を除く): 119498920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 1669, 2692, 3338, 3365, 5384, 6676, 6730, 8345, 10768, 13352, 13460, 16690, 26704, 26920, 33380, 53840, 66760, 133520, 1123237, 2246474, 4492948, 5616185, 8985896, 11232370, 17971792, 22464740, 44929480, 89858960]

約数ペア:

[(1, 89858960), (2, 44929480), (4, 22464740), (5, 17971792), (8, 11232370), (10, 8985896), (16, 5616185), (20, 4492948), (40, 2246474), (80, 1123237), (673, 133520), (1346, 66760), (1669, 53840), (2692, 33380), (3338, 26920), (3365, 26704), (5384, 16690), (6676, 13460), (6730, 13352), (8345, 10768)]