18420400

素因数分解:

$2^4\times 5^2\times {\mathrm{46051}}^1$

素因数の和:46069

約数の個数: 30

約数和(自身を含む): 44255972

約数和(自身を除く): 25835572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 46051, 92102, 184204, 230255, 368408, 460510, 736816, 921020, 1151275, 1842040, 2302550, 3684080, 4605100, 9210200, 18420400]

約数ペア:

[(1, 18420400), (2, 9210200), (4, 4605100), (5, 3684080), (8, 2302550), (10, 1842040), (16, 1151275), (20, 921020), (25, 736816), (40, 460510), (50, 368408), (80, 230255), (100, 184204), (200, 92102), (400, 46051)]