16780390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 16604570

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 1931, 3862, 4345, 8690, 9655, 19310, 21241, 42482, 106205, 152549, 212410, 305098, 762745, 1525490, 1678039, 3356078, 8390195, 16780390]

約数ペア:

[(1, 16780390), (2, 8390195), (5, 3356078), (10, 1678039), (11, 1525490), (22, 762745), (55, 305098), (79, 212410), (110, 152549), (158, 106205), (395, 42482), (790, 21241), (869, 19310), (1738, 9655), (1931, 8690), (3862, 4345)]