81200200

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{10973}}^1$

素因数の和:11026

約数の個数: 48

約数和(自身を含む): 193910580

約数和(自身を除く): 112710380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 3700, 7400, 10973, 21946, 43892, 54865, 87784, 109730, 219460, 274325, 406001, 438920, 548650, 812002, 1097300, 1624004, 2030005, 2194600, 3248008, 4060010, 8120020, 10150025, 16240040, 20300050, 40600100, 81200200]

約数ペア:

[(1, 81200200), (2, 40600100), (4, 20300050), (5, 16240040), (8, 10150025), (10, 8120020), (20, 4060010), (25, 3248008), (37, 2194600), (40, 2030005), (50, 1624004), (74, 1097300), (100, 812002), (148, 548650), (185, 438920), (200, 406001), (296, 274325), (370, 219460), (740, 109730), (925, 87784), (1480, 54865), (1850, 43892), (3700, 21946), (7400, 10973)]