207130240

素因数分解:

$2^7\times 5^1\times {\mathrm{323641}}^1$

素因数の和:323660

約数の個数: 32

約数和(自身を含む): 495172260

約数和(自身を除く): 288042020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 323641, 647282, 1294564, 1618205, 2589128, 3236410, 5178256, 6472820, 10356512, 12945640, 20713024, 25891280, 41426048, 51782560, 103565120, 207130240]

約数ペア:

[(1, 207130240), (2, 103565120), (4, 51782560), (5, 41426048), (8, 25891280), (10, 20713024), (16, 12945640), (20, 10356512), (32, 6472820), (40, 5178256), (64, 3236410), (80, 2589128), (128, 1618205), (160, 1294564), (320, 647282), (640, 323641)]