15706480

素因数分解:

$2^4\times 5^1\times {\mathrm{196331}}^1$

素因数の和:196344

約数の個数: 20

約数和(自身を含む): 36517752

約数和(自身を除く): 20811272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196331, 392662, 785324, 981655, 1570648, 1963310, 3141296, 3926620, 7853240, 15706480]

約数ペア:

[(1, 15706480), (2, 7853240), (4, 3926620), (5, 3141296), (8, 1963310), (10, 1570648), (16, 981655), (20, 785324), (40, 392662), (80, 196331)]