66555020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1103}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 160247808

約数和(自身を除く): 93692788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1103, 1724, 2155, 2206, 3017, 4310, 4412, 5515, 6034, 7721, 8620, 11030, 12068, 15085, 15442, 22060, 30170, 30884, 38605, 60340, 77210, 154420, 475393, 950786, 1901572, 2376965, 3327751, 4753930, 6655502, 9507860, 13311004, 16638755, 33277510, 66555020]

約数ペア:

[(1, 66555020), (2, 33277510), (4, 16638755), (5, 13311004), (7, 9507860), (10, 6655502), (14, 4753930), (20, 3327751), (28, 2376965), (35, 1901572), (70, 950786), (140, 475393), (431, 154420), (862, 77210), (1103, 60340), (1724, 38605), (2155, 30884), (2206, 30170), (3017, 22060), (4310, 15442), (4412, 15085), (5515, 12068), (6034, 11030), (7721, 8620)]