216033640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{49549}}^1$

素因数の和:49669

約数の個数: 32

約数和(自身を含む): 490545000

約数和(自身を除く): 274511360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 49549, 99098, 198196, 247745, 396392, 495490, 990980, 1981960, 5400841, 10801682, 21603364, 27004205, 43206728, 54008410, 108016820, 216033640]

約数ペア:

[(1, 216033640), (2, 108016820), (4, 54008410), (5, 43206728), (8, 27004205), (10, 21603364), (20, 10801682), (40, 5400841), (109, 1981960), (218, 990980), (436, 495490), (545, 396392), (872, 247745), (1090, 198196), (2180, 99098), (4360, 49549)]