1681738120

素因数分解:

$2^3\times 5^1\times {\mathrm{42043453}}^1$

素因数の和:42043464

約数の個数: 16

約数和(自身を含む): 3783910860

約数和(自身を除く): 2102172740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42043453, 84086906, 168173812, 210217265, 336347624, 420434530, 840869060, 1681738120]

約数ペア:

[(1, 1681738120), (2, 840869060), (4, 420434530), (5, 336347624), (8, 210217265), (10, 168173812), (20, 84086906), (40, 42043453)]