85281880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112213}}^1$

素因数の和:112243

約数の個数: 32

約数和(自身を含む): 201985200

約数和(自身を除く): 116703320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 112213, 224426, 448852, 561065, 897704, 1122130, 2132047, 2244260, 4264094, 4488520, 8528188, 10660235, 17056376, 21320470, 42640940, 85281880]

約数ペア:

[(1, 85281880), (2, 42640940), (4, 21320470), (5, 17056376), (8, 10660235), (10, 8528188), (19, 4488520), (20, 4264094), (38, 2244260), (40, 2132047), (76, 1122130), (95, 897704), (152, 561065), (190, 448852), (380, 224426), (760, 112213)]