85290880

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1877}}^1$

素因数の和:1967

約数の個数: 64

約数和(自身を含む): 206880480

約数和(自身を除く): 121589600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 1877, 2272, 2840, 3754, 4544, 5680, 7508, 9088, 9385, 11360, 15016, 18770, 22720, 30032, 37540, 45440, 60064, 75080, 120128, 133267, 150160, 240256, 266534, 300320, 533068, 600640, 666335, 1066136, 1201280, 1332670, 2132272, 2665340, 4264544, 5330680, 8529088, 10661360, 17058176, 21322720, 42645440, 85290880]

約数ペア:

[(1, 85290880), (2, 42645440), (4, 21322720), (5, 17058176), (8, 10661360), (10, 8529088), (16, 5330680), (20, 4264544), (32, 2665340), (40, 2132272), (64, 1332670), (71, 1201280), (80, 1066136), (128, 666335), (142, 600640), (160, 533068), (284, 300320), (320, 266534), (355, 240256), (568, 150160), (640, 133267), (710, 120128), (1136, 75080), (1420, 60064), (1877, 45440), (2272, 37540), (2840, 30032), (3754, 22720), (4544, 18770), (5680, 15016), (7508, 11360), (9088, 9385)]