9947840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{4441}}^1$

素因数の和:4465

約数の個数: 56

約数和(自身を含む): 27078432

約数和(自身を除く): 17130592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 4441, 8882, 17764, 22205, 31087, 35528, 44410, 62174, 71056, 88820, 124348, 142112, 155435, 177640, 248696, 284224, 310870, 355280, 497392, 621740, 710560, 994784, 1243480, 1421120, 1989568, 2486960, 4973920, 9947840]

約数ペア:

[(1, 9947840), (2, 4973920), (4, 2486960), (5, 1989568), (7, 1421120), (8, 1243480), (10, 994784), (14, 710560), (16, 621740), (20, 497392), (28, 355280), (32, 310870), (35, 284224), (40, 248696), (56, 177640), (64, 155435), (70, 142112), (80, 124348), (112, 88820), (140, 71056), (160, 62174), (224, 44410), (280, 35528), (320, 31087), (448, 22205), (560, 17764), (1120, 8882), (2240, 4441)]