67089460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 145297152

約数和(自身を除く): 78207692

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 431, 724, 860, 862, 905, 1724, 1810, 2155, 3620, 4310, 7783, 8620, 15566, 18533, 31132, 37066, 38915, 74132, 77830, 78011, 92665, 155660, 156022, 185330, 312044, 370660, 390055, 780110, 1560220, 3354473, 6708946, 13417892, 16772365, 33544730, 67089460]

約数ペア:

[(1, 67089460), (2, 33544730), (4, 16772365), (5, 13417892), (10, 6708946), (20, 3354473), (43, 1560220), (86, 780110), (172, 390055), (181, 370660), (215, 312044), (362, 185330), (430, 156022), (431, 155660), (724, 92665), (860, 78011), (862, 77830), (905, 74132), (1724, 38915), (1810, 37066), (2155, 31132), (3620, 18533), (4310, 15566), (7783, 8620)]