16251640

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{751}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 36682560

約数和(自身を除く): 20430920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 751, 1082, 1502, 2164, 2705, 3004, 3755, 4328, 5410, 6008, 7510, 10820, 15020, 21640, 30040, 406291, 812582, 1625164, 2031455, 3250328, 4062910, 8125820, 16251640]

約数ペア:

[(1, 16251640), (2, 8125820), (4, 4062910), (5, 3250328), (8, 2031455), (10, 1625164), (20, 812582), (40, 406291), (541, 30040), (751, 21640), (1082, 15020), (1502, 10820), (2164, 7510), (2705, 6008), (3004, 5410), (3755, 4328)]