39880960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4451}}^1$

素因数の和:4479

約数の個数: 72

約数和(自身を含む): 109198656

約数和(自身を除く): 69317696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4451, 4480, 8902, 8960, 17804, 22255, 31157, 35608, 44510, 62314, 71216, 89020, 124628, 142432, 155785, 178040, 249256, 284864, 311570, 356080, 498512, 569728, 623140, 712160, 997024, 1139456, 1246280, 1424320, 1994048, 2492560, 2848640, 3988096, 4985120, 5697280, 7976192, 9970240, 19940480, 39880960]

約数ペア:

[(1, 39880960), (2, 19940480), (4, 9970240), (5, 7976192), (7, 5697280), (8, 4985120), (10, 3988096), (14, 2848640), (16, 2492560), (20, 1994048), (28, 1424320), (32, 1246280), (35, 1139456), (40, 997024), (56, 712160), (64, 623140), (70, 569728), (80, 498512), (112, 356080), (128, 311570), (140, 284864), (160, 249256), (224, 178040), (256, 155785), (280, 142432), (320, 124628), (448, 89020), (560, 71216), (640, 62314), (896, 44510), (1120, 35608), (1280, 31157), (1792, 22255), (2240, 17804), (4451, 8960), (4480, 8902)]