80519680

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 80

約数和(自身を含む): 196219584

約数和(自身を除く): 115699904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 443, 512, 568, 640, 710, 886, 1136, 1280, 1420, 1772, 2215, 2272, 2560, 2840, 3544, 4430, 4544, 5680, 7088, 8860, 9088, 11360, 14176, 17720, 18176, 22720, 28352, 31453, 35440, 36352, 45440, 56704, 62906, 70880, 90880, 113408, 125812, 141760, 157265, 181760, 226816, 251624, 283520, 314530, 503248, 567040, 629060, 1006496, 1134080, 1258120, 2012992, 2516240, 4025984, 5032480, 8051968, 10064960, 16103936, 20129920, 40259840, 80519680]

約数ペア:

[(1, 80519680), (2, 40259840), (4, 20129920), (5, 16103936), (8, 10064960), (10, 8051968), (16, 5032480), (20, 4025984), (32, 2516240), (40, 2012992), (64, 1258120), (71, 1134080), (80, 1006496), (128, 629060), (142, 567040), (160, 503248), (256, 314530), (284, 283520), (320, 251624), (355, 226816), (443, 181760), (512, 157265), (568, 141760), (640, 125812), (710, 113408), (886, 90880), (1136, 70880), (1280, 62906), (1420, 56704), (1772, 45440), (2215, 36352), (2272, 35440), (2560, 31453), (2840, 28352), (3544, 22720), (4430, 18176), (4544, 17720), (5680, 14176), (7088, 11360), (8860, 9088)]