71690020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210853}}^1$

素因数の和:210879

約数の個数: 24

約数和(自身を含む): 159405624

約数和(自身を除く): 87715604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210853, 421706, 843412, 1054265, 2108530, 3584501, 4217060, 7169002, 14338004, 17922505, 35845010, 71690020]

約数ペア:

[(1, 71690020), (2, 35845010), (4, 17922505), (5, 14338004), (10, 7169002), (17, 4217060), (20, 3584501), (34, 2108530), (68, 1054265), (85, 843412), (170, 421706), (340, 210853)]