147720920

素因数分解:

$2^3\times 5^1\times {\mathrm{1733}}^1\times {\mathrm{2131}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 332719920

約数和(自身を除く): 184999000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1733, 2131, 3466, 4262, 6932, 8524, 8665, 10655, 13864, 17048, 17330, 21310, 34660, 42620, 69320, 85240, 3693023, 7386046, 14772092, 18465115, 29544184, 36930230, 73860460, 147720920]

約数ペア:

[(1, 147720920), (2, 73860460), (4, 36930230), (5, 29544184), (8, 18465115), (10, 14772092), (20, 7386046), (40, 3693023), (1733, 85240), (2131, 69320), (3466, 42620), (4262, 34660), (6932, 21310), (8524, 17330), (8665, 17048), (10655, 13864)]