99418640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65407}}^1$

素因数の和:65439

約数の個数: 40

約数和(自身を含む): 243317760

約数和(自身を除く): 143899120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 65407, 130814, 261628, 327035, 523256, 654070, 1046512, 1242733, 1308140, 2485466, 2616280, 4970932, 5232560, 6213665, 9941864, 12427330, 19883728, 24854660, 49709320, 99418640]

約数ペア:

[(1, 99418640), (2, 49709320), (4, 24854660), (5, 19883728), (8, 12427330), (10, 9941864), (16, 6213665), (19, 5232560), (20, 4970932), (38, 2616280), (40, 2485466), (76, 1308140), (80, 1242733), (95, 1046512), (152, 654070), (190, 523256), (304, 327035), (380, 261628), (760, 130814), (1520, 65407)]