168672020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7591}}^1$

素因数の和:7712

約数の個数: 48

約数和(自身を含む): 390289536

約数和(自身を除く): 221617516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 7591, 11110, 15182, 22220, 30364, 37955, 75910, 83501, 151820, 167002, 334004, 417505, 766691, 835010, 1533382, 1670020, 3066764, 3833455, 7666910, 8433601, 15333820, 16867202, 33734404, 42168005, 84336010, 168672020]

約数ペア:

[(1, 168672020), (2, 84336010), (4, 42168005), (5, 33734404), (10, 16867202), (11, 15333820), (20, 8433601), (22, 7666910), (44, 3833455), (55, 3066764), (101, 1670020), (110, 1533382), (202, 835010), (220, 766691), (404, 417505), (505, 334004), (1010, 167002), (1111, 151820), (2020, 83501), (2222, 75910), (4444, 37955), (5555, 30364), (7591, 22220), (11110, 15182)]