65943640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235513}}^1$

素因数の和:235531

約数の個数: 32

約数和(自身を含む): 169570080

約数和(自身を除く): 103626440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235513, 471026, 942052, 1177565, 1648591, 1884104, 2355130, 3297182, 4710260, 6594364, 8242955, 9420520, 13188728, 16485910, 32971820, 65943640]

約数ペア:

[(1, 65943640), (2, 32971820), (4, 16485910), (5, 13188728), (7, 9420520), (8, 8242955), (10, 6594364), (14, 4710260), (20, 3297182), (28, 2355130), (35, 1884104), (40, 1648591), (56, 1177565), (70, 942052), (140, 471026), (280, 235513)]