164708540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{135007}}^1$

素因数の和:135077

約数の個数: 24

約数和(自身を含む): 351560832

約数和(自身を除く): 186852292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 135007, 270014, 540028, 675035, 1350070, 2700140, 8235427, 16470854, 32941708, 41177135, 82354270, 164708540]

約数ペア:

[(1, 164708540), (2, 82354270), (4, 41177135), (5, 32941708), (10, 16470854), (20, 8235427), (61, 2700140), (122, 1350070), (244, 675035), (305, 540028), (610, 270014), (1220, 135007)]