4120400

素因数分解:

$2^4\times 5^2\times {\mathrm{10301}}^1$

素因数の和:10319

約数の個数: 30

約数和(自身を含む): 9900222

約数和(自身を除く): 5779822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10301, 20602, 41204, 51505, 82408, 103010, 164816, 206020, 257525, 412040, 515050, 824080, 1030100, 2060200, 4120400]

約数ペア:

[(1, 4120400), (2, 2060200), (4, 1030100), (5, 824080), (8, 515050), (10, 412040), (16, 257525), (20, 206020), (25, 164816), (40, 103010), (50, 82408), (80, 51505), (100, 41204), (200, 20602), (400, 10301)]