16400780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 21532276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 587, 635, 1174, 1270, 1397, 2348, 2540, 2794, 2935, 5588, 5870, 6457, 6985, 11740, 12914, 13970, 25828, 27940, 32285, 64570, 74549, 129140, 149098, 298196, 372745, 745490, 820039, 1490980, 1640078, 3280156, 4100195, 8200390, 16400780]

約数ペア:

[(1, 16400780), (2, 8200390), (4, 4100195), (5, 3280156), (10, 1640078), (11, 1490980), (20, 820039), (22, 745490), (44, 372745), (55, 298196), (110, 149098), (127, 129140), (220, 74549), (254, 64570), (508, 32285), (587, 27940), (635, 25828), (1174, 13970), (1270, 12914), (1397, 11740), (2348, 6985), (2540, 6457), (2794, 5870), (2935, 5588)]