25410220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6079}}^1$

素因数の和:6118

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 35876180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6079, 12158, 24316, 30395, 60790, 66869, 115501, 121580, 133738, 231002, 267476, 334345, 462004, 577505, 668690, 1155010, 1270511, 1337380, 2310020, 2541022, 5082044, 6352555, 12705110, 25410220]

約数ペア:

[(1, 25410220), (2, 12705110), (4, 6352555), (5, 5082044), (10, 2541022), (11, 2310020), (19, 1337380), (20, 1270511), (22, 1155010), (38, 668690), (44, 577505), (55, 462004), (76, 334345), (95, 267476), (110, 231002), (190, 133738), (209, 121580), (220, 115501), (380, 66869), (418, 60790), (836, 30395), (1045, 24316), (2090, 12158), (4180, 6079)]