71988640

素因数分解:

$2^5\times 5^1\times {\mathrm{449929}}^1$

素因数の和:449944

約数の個数: 24

約数和(自身を含む): 170073540

約数和(自身を除く): 98084900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449929, 899858, 1799716, 2249645, 3599432, 4499290, 7198864, 8998580, 14397728, 17997160, 35994320, 71988640]

約数ペア:

[(1, 71988640), (2, 35994320), (4, 17997160), (5, 14397728), (8, 8998580), (10, 7198864), (16, 4499290), (20, 3599432), (32, 2249645), (40, 1799716), (80, 899858), (160, 449929)]