16212520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4013}}^1$

素因数の和:4125

約数の個数: 32

約数和(自身を含む): 36848520

約数和(自身を除く): 20636000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4013, 4040, 8026, 16052, 20065, 32104, 40130, 80260, 160520, 405313, 810626, 1621252, 2026565, 3242504, 4053130, 8106260, 16212520]

約数ペア:

[(1, 16212520), (2, 8106260), (4, 4053130), (5, 3242504), (8, 2026565), (10, 1621252), (20, 810626), (40, 405313), (101, 160520), (202, 80260), (404, 40130), (505, 32104), (808, 20065), (1010, 16052), (2020, 8026), (4013, 4040)]