264254020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{322261}}^1$

素因数の和:322311

約数の個数: 24

約数和(自身を含む): 568470168

約数和(自身を除く): 304216148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 322261, 644522, 1289044, 1611305, 3222610, 6445220, 13212701, 26425402, 52850804, 66063505, 132127010, 264254020]

約数ペア:

[(1, 264254020), (2, 132127010), (4, 66063505), (5, 52850804), (10, 26425402), (20, 13212701), (41, 6445220), (82, 3222610), (164, 1611305), (205, 1289044), (410, 644522), (820, 322261)]