8240120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29429}}^1$

素因数の和:29447

約数の個数: 32

約数和(自身を含む): 21189600

約数和(自身を除く): 12949480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29429, 58858, 117716, 147145, 206003, 235432, 294290, 412006, 588580, 824012, 1030015, 1177160, 1648024, 2060030, 4120060, 8240120]

約数ペア:

[(1, 8240120), (2, 4120060), (4, 2060030), (5, 1648024), (7, 1177160), (8, 1030015), (10, 824012), (14, 588580), (20, 412006), (28, 294290), (35, 235432), (40, 206003), (56, 147145), (70, 117716), (140, 58858), (280, 29429)]