80342020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3413}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 185830848

約数和(自身を除く): 105488828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 3413, 4708, 5885, 6826, 11770, 13652, 17065, 23540, 34130, 37543, 68260, 75086, 150172, 187715, 365191, 375430, 730382, 750860, 1460764, 1825955, 3651910, 4017101, 7303820, 8034202, 16068404, 20085505, 40171010, 80342020]

約数ペア:

[(1, 80342020), (2, 40171010), (4, 20085505), (5, 16068404), (10, 8034202), (11, 7303820), (20, 4017101), (22, 3651910), (44, 1825955), (55, 1460764), (107, 750860), (110, 730382), (214, 375430), (220, 365191), (428, 187715), (535, 150172), (1070, 75086), (1177, 68260), (2140, 37543), (2354, 34130), (3413, 23540), (4708, 17065), (5885, 13652), (6826, 11770)]