45102020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 101288880

約数和(自身を除く): 56186860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1217, 1853, 2180, 2434, 3706, 4868, 6085, 7412, 9265, 12170, 18530, 20689, 24340, 37060, 41378, 82756, 103445, 132653, 206890, 265306, 413780, 530612, 663265, 1326530, 2255101, 2653060, 4510202, 9020404, 11275505, 22551010, 45102020]

約数ペア:

[(1, 45102020), (2, 22551010), (4, 11275505), (5, 9020404), (10, 4510202), (17, 2653060), (20, 2255101), (34, 1326530), (68, 663265), (85, 530612), (109, 413780), (170, 265306), (218, 206890), (340, 132653), (436, 103445), (545, 82756), (1090, 41378), (1217, 37060), (1853, 24340), (2180, 20689), (2434, 18530), (3706, 12170), (4868, 9265), (6085, 7412)]