7824280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4549}}^1$

素因数の和:4603

約数の個数: 32

約数和(自身を含む): 18018000

約数和(自身を除く): 10193720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4549, 9098, 18196, 22745, 36392, 45490, 90980, 181960, 195607, 391214, 782428, 978035, 1564856, 1956070, 3912140, 7824280]

約数ペア:

[(1, 7824280), (2, 3912140), (4, 1956070), (5, 1564856), (8, 978035), (10, 782428), (20, 391214), (40, 195607), (43, 181960), (86, 90980), (172, 45490), (215, 36392), (344, 22745), (430, 18196), (860, 9098), (1720, 4549)]