23139140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2273}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 48709080

約数和(自身を除く): 25569940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2273, 2545, 4546, 5090, 9092, 10180, 11365, 22730, 45460, 1156957, 2313914, 4627828, 5784785, 11569570, 23139140]

約数ペア:

[(1, 23139140), (2, 11569570), (4, 5784785), (5, 4627828), (10, 2313914), (20, 1156957), (509, 45460), (1018, 22730), (2036, 11365), (2273, 10180), (2545, 9092), (4546, 5090)]