42100400

素因数分解:

$2^4\times 5^2\times {\mathrm{105251}}^1$

素因数の和:105269

約数の個数: 30

約数和(自身を含む): 101147172

約数和(自身を除く): 59046772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 105251, 210502, 421004, 526255, 842008, 1052510, 1684016, 2105020, 2631275, 4210040, 5262550, 8420080, 10525100, 21050200, 42100400]

約数ペア:

[(1, 42100400), (2, 21050200), (4, 10525100), (5, 8420080), (8, 5262550), (10, 4210040), (16, 2631275), (20, 2105020), (25, 1684016), (40, 1052510), (50, 842008), (80, 526255), (100, 421004), (200, 210502), (400, 105251)]