40649560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145177}}^1$

素因数の和:145195

約数の個数: 32

約数和(自身を含む): 104528160

約数和(自身を除く): 63878600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145177, 290354, 580708, 725885, 1016239, 1161416, 1451770, 2032478, 2903540, 4064956, 5081195, 5807080, 8129912, 10162390, 20324780, 40649560]

約数ペア:

[(1, 40649560), (2, 20324780), (4, 10162390), (5, 8129912), (7, 5807080), (8, 5081195), (10, 4064956), (14, 2903540), (20, 2032478), (28, 1451770), (35, 1161416), (40, 1016239), (56, 725885), (70, 580708), (140, 290354), (280, 145177)]