4213240

素因数分解:

$2^3\times 5^1\times {\mathrm{105331}}^1$

素因数の和:105342

約数の個数: 16

約数和(自身を含む): 9479880

約数和(自身を除く): 5266640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 105331, 210662, 421324, 526655, 842648, 1053310, 2106620, 4213240]

約数ペア:

[(1, 4213240), (2, 2106620), (4, 1053310), (5, 842648), (8, 526655), (10, 421324), (20, 210662), (40, 105331)]