17605940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 23278540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1013, 1580, 1738, 2026, 3476, 4052, 4345, 5065, 8690, 10130, 11143, 17380, 20260, 22286, 44572, 55715, 80027, 111430, 160054, 222860, 320108, 400135, 800270, 880297, 1600540, 1760594, 3521188, 4401485, 8802970, 17605940]

約数ペア:

[(1, 17605940), (2, 8802970), (4, 4401485), (5, 3521188), (10, 1760594), (11, 1600540), (20, 880297), (22, 800270), (44, 400135), (55, 320108), (79, 222860), (110, 160054), (158, 111430), (220, 80027), (316, 55715), (395, 44572), (790, 22286), (869, 20260), (1013, 17380), (1580, 11143), (1738, 10130), (2026, 8690), (3476, 5065), (4052, 4345)]