1988566120

素因数分解:

$2^3\times 5^1\times {\mathrm{3637}}^1\times {\mathrm{13669}}^1$

素因数の和:17317

約数の個数: 32

約数和(自身を含む): 4475831400

約数和(自身を除く): 2487265280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3637, 7274, 13669, 14548, 18185, 27338, 29096, 36370, 54676, 68345, 72740, 109352, 136690, 145480, 273380, 546760, 49714153, 99428306, 198856612, 248570765, 397713224, 497141530, 994283060, 1988566120]

約数ペア:

[(1, 1988566120), (2, 994283060), (4, 497141530), (5, 397713224), (8, 248570765), (10, 198856612), (20, 99428306), (40, 49714153), (3637, 546760), (7274, 273380), (13669, 145480), (14548, 136690), (18185, 109352), (27338, 72740), (29096, 68345), (36370, 54676)]