102418040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^2\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 233672040

約数和(自身を除く): 131254000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 251, 404, 502, 505, 808, 1004, 1010, 1255, 2008, 2020, 2510, 4040, 5020, 10040, 10201, 20402, 25351, 40804, 50702, 51005, 81608, 101404, 102010, 126755, 202808, 204020, 253510, 408040, 507020, 1014040, 2560451, 5120902, 10241804, 12802255, 20483608, 25604510, 51209020, 102418040]

約数ペア:

[(1, 102418040), (2, 51209020), (4, 25604510), (5, 20483608), (8, 12802255), (10, 10241804), (20, 5120902), (40, 2560451), (101, 1014040), (202, 507020), (251, 408040), (404, 253510), (502, 204020), (505, 202808), (808, 126755), (1004, 102010), (1010, 101404), (1255, 81608), (2008, 51005), (2020, 50702), (2510, 40804), (4040, 25351), (5020, 20402), (10040, 10201)]