201899560

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{10949}}^1$

素因数の和:11421

約数の個数: 32

約数和(自身を含む): 455301000

約数和(自身を除く): 253401440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 10949, 18440, 21898, 43796, 54745, 87592, 109490, 218980, 437960, 5047489, 10094978, 20189956, 25237445, 40379912, 50474890, 100949780, 201899560]

約数ペア:

[(1, 201899560), (2, 100949780), (4, 50474890), (5, 40379912), (8, 25237445), (10, 20189956), (20, 10094978), (40, 5047489), (461, 437960), (922, 218980), (1844, 109490), (2305, 87592), (3688, 54745), (4610, 43796), (9220, 21898), (10949, 18440)]