210558640

素因数分解:

$2^4\times 5^1\times {\mathrm{2631983}}^1$

素因数の和:2631996

約数の個数: 20

約数和(自身を含む): 489549024

約数和(自身を除く): 278990384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2631983, 5263966, 10527932, 13159915, 21055864, 26319830, 42111728, 52639660, 105279320, 210558640]

約数ペア:

[(1, 210558640), (2, 105279320), (4, 52639660), (5, 42111728), (8, 26319830), (10, 21055864), (16, 13159915), (20, 10527932), (40, 5263966), (80, 2631983)]