865630640020

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{35216869}}^1$

素因数の和:35218107

約数の個数: 24

約数和(自身を含む): 1819303504200

約数和(自身を除く): 953672864180

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 12290, 24580, 35216869, 70433738, 140867476, 176084345, 352168690, 704337380, 43281532001, 86563064002, 173126128004, 216407660005, 432815320010, 865630640020]

約数ペア:

[(1, 865630640020), (2, 432815320010), (4, 216407660005), (5, 173126128004), (10, 86563064002), (20, 43281532001), (1229, 704337380), (2458, 352168690), (4916, 176084345), (6145, 140867476), (12290, 70433738), (24580, 35216869)]