99002500

素因数分解:

$2^2\times 5^4\times {\mathrm{199}}^2$

素因数の和:422

約数の個数: 45

約数和(自身を含む): 217592067

約数和(自身を除く): 118589567

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 625, 796, 995, 1250, 1990, 2500, 3980, 4975, 9950, 19900, 24875, 39601, 49750, 79202, 99500, 124375, 158404, 198005, 248750, 396010, 497500, 792020, 990025, 1980050, 3960100, 4950125, 9900250, 19800500, 24750625, 49501250, 99002500]

約数ペア:

[(1, 99002500), (2, 49501250), (4, 24750625), (5, 19800500), (10, 9900250), (20, 4950125), (25, 3960100), (50, 1980050), (100, 990025), (125, 792020), (199, 497500), (250, 396010), (398, 248750), (500, 198005), (625, 158404), (796, 124375), (995, 99500), (1250, 79202), (1990, 49750), (2500, 39601), (3980, 24875), (4975, 19900)]