40872016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{59407}}^1$

素因数の和:59458

約数の個数: 20

約数和(自身を含む): 81032512

約数和(自身を除く): 40160496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 59407, 118814, 237628, 475256, 950512, 2554501, 5109002, 10218004, 20436008, 40872016]

約数ペア:

[(1, 40872016), (2, 20436008), (4, 10218004), (8, 5109002), (16, 2554501), (43, 950512), (86, 475256), (172, 237628), (344, 118814), (688, 59407)]