5178920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3011}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 11927520

約数和(自身を除く): 6748600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3011, 6022, 12044, 15055, 24088, 30110, 60220, 120440, 129473, 258946, 517892, 647365, 1035784, 1294730, 2589460, 5178920]

約数ペア:

[(1, 5178920), (2, 2589460), (4, 1294730), (5, 1035784), (8, 647365), (10, 517892), (20, 258946), (40, 129473), (43, 120440), (86, 60220), (172, 30110), (215, 24088), (344, 15055), (430, 12044), (860, 6022), (1720, 3011)]