142748020

素因数分解:

$2^2\times 5^1\times {\mathrm{2417}}^1\times {\mathrm{2953}}^1$

素因数の和:5379

約数の個数: 24

約数和(自身を含む): 299996424

約数和(自身を除く): 157248404

約数列:

[1, 2, 4, 5, 10, 20, 2417, 2953, 4834, 5906, 9668, 11812, 12085, 14765, 24170, 29530, 48340, 59060, 7137401, 14274802, 28549604, 35687005, 71374010, 142748020]

約数ペア:

[(1, 142748020), (2, 71374010), (4, 35687005), (5, 28549604), (10, 14274802), (20, 7137401), (2417, 59060), (2953, 48340), (4834, 29530), (5906, 24170), (9668, 14765), (11812, 12085)]