85947580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 191872800

約数和(自身を除く): 105925220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 563, 898, 1126, 1796, 2245, 2252, 2815, 4490, 5630, 7633, 8980, 9571, 11260, 15266, 19142, 30532, 38165, 38284, 47855, 76330, 95710, 152660, 191420, 252787, 505574, 1011148, 1263935, 2527870, 4297379, 5055740, 8594758, 17189516, 21486895, 42973790, 85947580]

約数ペア:

[(1, 85947580), (2, 42973790), (4, 21486895), (5, 17189516), (10, 8594758), (17, 5055740), (20, 4297379), (34, 2527870), (68, 1263935), (85, 1011148), (170, 505574), (340, 252787), (449, 191420), (563, 152660), (898, 95710), (1126, 76330), (1796, 47855), (2245, 38284), (2252, 38165), (2815, 30532), (4490, 19142), (5630, 15266), (7633, 11260), (8980, 9571)]