78190880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6883}}^1$

素因数の和:6969

約数の個数: 48

約数和(自身を含む): 187354944

約数和(自身を除く): 109164064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 6883, 11360, 13766, 27532, 34415, 55064, 68830, 110128, 137660, 220256, 275320, 488693, 550640, 977386, 1101280, 1954772, 2443465, 3909544, 4886930, 7819088, 9773860, 15638176, 19547720, 39095440, 78190880]

約数ペア:

[(1, 78190880), (2, 39095440), (4, 19547720), (5, 15638176), (8, 9773860), (10, 7819088), (16, 4886930), (20, 3909544), (32, 2443465), (40, 1954772), (71, 1101280), (80, 977386), (142, 550640), (160, 488693), (284, 275320), (355, 220256), (568, 137660), (710, 110128), (1136, 68830), (1420, 55064), (2272, 34415), (2840, 27532), (5680, 13766), (6883, 11360)]