7871560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10790840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 79, 94, 106, 158, 188, 212, 235, 265, 316, 376, 395, 424, 470, 530, 632, 790, 940, 1060, 1580, 1880, 2120, 2491, 3160, 3713, 4187, 4982, 7426, 8374, 9964, 12455, 14852, 16748, 18565, 19928, 20935, 24910, 29704, 33496, 37130, 41870, 49820, 74260, 83740, 99640, 148520, 167480, 196789, 393578, 787156, 983945, 1574312, 1967890, 3935780, 7871560]

約数ペア:

[(1, 7871560), (2, 3935780), (4, 1967890), (5, 1574312), (8, 983945), (10, 787156), (20, 393578), (40, 196789), (47, 167480), (53, 148520), (79, 99640), (94, 83740), (106, 74260), (158, 49820), (188, 41870), (212, 37130), (235, 33496), (265, 29704), (316, 24910), (376, 20935), (395, 19928), (424, 18565), (470, 16748), (530, 14852), (632, 12455), (790, 9964), (940, 8374), (1060, 7426), (1580, 4982), (1880, 4187), (2120, 3713), (2491, 3160)]