16381340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9203}}^1$

素因数の和:9301

約数の個数: 24

約数和(自身を含む): 34791120

約数和(自身を除く): 18409780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9203, 18406, 36812, 46015, 92030, 184060, 819067, 1638134, 3276268, 4095335, 8190670, 16381340]

約数ペア:

[(1, 16381340), (2, 8190670), (4, 4095335), (5, 3276268), (10, 1638134), (20, 819067), (89, 184060), (178, 92030), (356, 46015), (445, 36812), (890, 18406), (1780, 9203)]