8520440

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{727}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 19262880

約数和(自身を除く): 10742440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 727, 1172, 1454, 1465, 2344, 2908, 2930, 3635, 5816, 5860, 7270, 11720, 14540, 29080, 213011, 426022, 852044, 1065055, 1704088, 2130110, 4260220, 8520440]

約数ペア:

[(1, 8520440), (2, 4260220), (4, 2130110), (5, 1704088), (8, 1065055), (10, 852044), (20, 426022), (40, 213011), (293, 29080), (586, 14540), (727, 11720), (1172, 7270), (1454, 5860), (1465, 5816), (2344, 3635), (2908, 2930)]