83316400

素因数分解:

$2^4\times 5^2\times {\mathrm{208291}}^1$

素因数の和:208309

約数の個数: 30

約数和(自身を含む): 200168612

約数和(自身を除く): 116852212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 208291, 416582, 833164, 1041455, 1666328, 2082910, 3332656, 4165820, 5207275, 8331640, 10414550, 16663280, 20829100, 41658200, 83316400]

約数ペア:

[(1, 83316400), (2, 41658200), (4, 20829100), (5, 16663280), (8, 10414550), (10, 8331640), (16, 5207275), (20, 4165820), (25, 3332656), (40, 2082910), (50, 1666328), (80, 1041455), (100, 833164), (200, 416582), (400, 208291)]