66481520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118717}}^1$

素因数の和:118737

約数の個数: 40

約数和(自身を含む): 176652384

約数和(自身を除く): 110170864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118717, 237434, 474868, 593585, 831019, 949736, 1187170, 1662038, 1899472, 2374340, 3324076, 4155095, 4748680, 6648152, 8310190, 9497360, 13296304, 16620380, 33240760, 66481520]

約数ペア:

[(1, 66481520), (2, 33240760), (4, 16620380), (5, 13296304), (7, 9497360), (8, 8310190), (10, 6648152), (14, 4748680), (16, 4155095), (20, 3324076), (28, 2374340), (35, 1899472), (40, 1662038), (56, 1187170), (70, 949736), (80, 831019), (112, 593585), (140, 474868), (280, 237434), (560, 118717)]