85196680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 199802880

約数和(自身を除く): 114606200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 541, 620, 635, 1016, 1082, 1240, 1270, 2164, 2540, 2705, 3937, 4328, 5080, 5410, 7874, 10820, 15748, 16771, 19685, 21640, 31496, 33542, 39370, 67084, 68707, 78740, 83855, 134168, 137414, 157480, 167710, 274828, 335420, 343535, 549656, 670840, 687070, 1374140, 2129917, 2748280, 4259834, 8519668, 10649585, 17039336, 21299170, 42598340, 85196680]

約数ペア:

[(1, 85196680), (2, 42598340), (4, 21299170), (5, 17039336), (8, 10649585), (10, 8519668), (20, 4259834), (31, 2748280), (40, 2129917), (62, 1374140), (124, 687070), (127, 670840), (155, 549656), (248, 343535), (254, 335420), (310, 274828), (508, 167710), (541, 157480), (620, 137414), (635, 134168), (1016, 83855), (1082, 78740), (1240, 68707), (1270, 67084), (2164, 39370), (2540, 33542), (2705, 31496), (3937, 21640), (4328, 19685), (5080, 16771), (5410, 15748), (7874, 10820)]