134687680

素因数分解:

$2^6\times 5^1\times {\mathrm{420899}}^1$

素因数の和:420916

約数の個数: 28

約数和(自身を含む): 320725800

約数和(自身を除く): 186038120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 420899, 841798, 1683596, 2104495, 3367192, 4208990, 6734384, 8417980, 13468768, 16835960, 26937536, 33671920, 67343840, 134687680]

約数ペア:

[(1, 134687680), (2, 67343840), (4, 33671920), (5, 26937536), (8, 16835960), (10, 13468768), (16, 8417980), (20, 6734384), (32, 4208990), (40, 3367192), (64, 2104495), (80, 1683596), (160, 841798), (320, 420899)]