79928960

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1849

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 113952640

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, 1759, 2272, 2840, 3518, 4544, 5680, 7036, 8795, 9088, 11360, 14072, 17590, 22720, 28144, 35180, 45440, 56288, 70360, 112576, 124889, 140720, 225152, 249778, 281440, 499556, 562880, 624445, 999112, 1125760, 1248890, 1998224, 2497780, 3996448, 4995560, 7992896, 9991120, 15985792, 19982240, 39964480, 79928960]

約数ペア:

[(1, 79928960), (2, 39964480), (4, 19982240), (5, 15985792), (8, 9991120), (10, 7992896), (16, 4995560), (20, 3996448), (32, 2497780), (40, 1998224), (64, 1248890), (71, 1125760), (80, 999112), (128, 624445), (142, 562880), (160, 499556), (284, 281440), (320, 249778), (355, 225152), (568, 140720), (640, 124889), (710, 112576), (1136, 70360), (1420, 56288), (1759, 45440), (2272, 35180), (2840, 28144), (3518, 22720), (4544, 17590), (5680, 14072), (7036, 11360), (8795, 9088)]