103997200

素因数分解:

$2^4\times 5^2\times {\mathrm{259993}}^1$

素因数の和:260011

約数の個数: 30

約数和(自身を含む): 249854234

約数和(自身を除く): 145857034

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 259993, 519986, 1039972, 1299965, 2079944, 2599930, 4159888, 5199860, 6499825, 10399720, 12999650, 20799440, 25999300, 51998600, 103997200]

約数ペア:

[(1, 103997200), (2, 51998600), (4, 25999300), (5, 20799440), (8, 12999650), (10, 10399720), (16, 6499825), (20, 5199860), (25, 4159888), (40, 2599930), (50, 2079944), (80, 1299965), (100, 1039972), (200, 519986), (400, 259993)]