49978640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36749}}^1$

素因数の和:36779

約数の個数: 40

約数和(自身を含む): 123039000

約数和(自身を除く): 73060360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 36749, 73498, 146996, 183745, 293992, 367490, 587984, 624733, 734980, 1249466, 1469960, 2498932, 2939920, 3123665, 4997864, 6247330, 9995728, 12494660, 24989320, 49978640]

約数ペア:

[(1, 49978640), (2, 24989320), (4, 12494660), (5, 9995728), (8, 6247330), (10, 4997864), (16, 3123665), (17, 2939920), (20, 2498932), (34, 1469960), (40, 1249466), (68, 734980), (80, 624733), (85, 587984), (136, 367490), (170, 293992), (272, 183745), (340, 146996), (680, 73498), (1360, 36749)]