7771760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5145

約数の個数: 40

約数和(自身を含む): 19024080

約数和(自身を除く): 11252320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5113, 10226, 20452, 25565, 40904, 51130, 81808, 97147, 102260, 194294, 204520, 388588, 409040, 485735, 777176, 971470, 1554352, 1942940, 3885880, 7771760]

約数ペア:

[(1, 7771760), (2, 3885880), (4, 1942940), (5, 1554352), (8, 971470), (10, 777176), (16, 485735), (19, 409040), (20, 388588), (38, 204520), (40, 194294), (76, 102260), (80, 97147), (95, 81808), (152, 51130), (190, 40904), (304, 25565), (380, 20452), (760, 10226), (1520, 5113)]