71123860

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{19867}}^1$

素因数の和:20055

約数の個数: 24

約数和(自身を含む): 150202080

約数和(自身を除く): 79078220

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 19867, 39734, 79468, 99335, 198670, 397340, 3556193, 7112386, 14224772, 17780965, 35561930, 71123860]

約数ペア:

[(1, 71123860), (2, 35561930), (4, 17780965), (5, 14224772), (10, 7112386), (20, 3556193), (179, 397340), (358, 198670), (716, 99335), (895, 79468), (1790, 39734), (3580, 19867)]