8647660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 21853440

約数和(自身を除く): 13205780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3251, 6502, 13004, 16255, 22757, 32510, 45514, 61769, 65020, 91028, 113785, 123538, 227570, 247076, 308845, 432383, 455140, 617690, 864766, 1235380, 1729532, 2161915, 4323830, 8647660]

約数ペア:

[(1, 8647660), (2, 4323830), (4, 2161915), (5, 1729532), (7, 1235380), (10, 864766), (14, 617690), (19, 455140), (20, 432383), (28, 308845), (35, 247076), (38, 227570), (70, 123538), (76, 113785), (95, 91028), (133, 65020), (140, 61769), (190, 45514), (266, 32510), (380, 22757), (532, 16255), (665, 13004), (1330, 6502), (2660, 3251)]