16248520

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1013}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 36686520

約数和(自身を除く): 20438000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1013, 1604, 2005, 2026, 3208, 4010, 4052, 5065, 8020, 8104, 10130, 16040, 20260, 40520, 406213, 812426, 1624852, 2031065, 3249704, 4062130, 8124260, 16248520]

約数ペア:

[(1, 16248520), (2, 8124260), (4, 4062130), (5, 3249704), (8, 2031065), (10, 1624852), (20, 812426), (40, 406213), (401, 40520), (802, 20260), (1013, 16040), (1604, 10130), (2005, 8104), (2026, 8020), (3208, 5065), (4010, 4052)]