7123760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{12721}}^1$

素因数の和:12741

約数の個数: 40

約数和(自身を含む): 18930336

約数和(自身を除く): 11806576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 12721, 25442, 50884, 63605, 89047, 101768, 127210, 178094, 203536, 254420, 356188, 445235, 508840, 712376, 890470, 1017680, 1424752, 1780940, 3561880, 7123760]

約数ペア:

[(1, 7123760), (2, 3561880), (4, 1780940), (5, 1424752), (7, 1017680), (8, 890470), (10, 712376), (14, 508840), (16, 445235), (20, 356188), (28, 254420), (35, 203536), (40, 178094), (56, 127210), (70, 101768), (80, 89047), (112, 63605), (140, 50884), (280, 25442), (560, 12721)]