4197520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 9910080

約数和(自身を除く): 5712560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 739, 1136, 1420, 1478, 2840, 2956, 3695, 5680, 5912, 7390, 11824, 14780, 29560, 52469, 59120, 104938, 209876, 262345, 419752, 524690, 839504, 1049380, 2098760, 4197520]

約数ペア:

[(1, 4197520), (2, 2098760), (4, 1049380), (5, 839504), (8, 524690), (10, 419752), (16, 262345), (20, 209876), (40, 104938), (71, 59120), (80, 52469), (142, 29560), (284, 14780), (355, 11824), (568, 7390), (710, 5912), (739, 5680), (1136, 3695), (1420, 2956), (1478, 2840)]