20235044080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13312529}}^1$

素因数の和:13312561

約数の個数: 40

約数和(自身を含む): 49522611600

約数和(自身を除く): 29287567520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13312529, 26625058, 53250116, 66562645, 106500232, 133125290, 213000464, 252938051, 266250580, 505876102, 532501160, 1011752204, 1065002320, 1264690255, 2023504408, 2529380510, 4047008816, 5058761020, 10117522040, 20235044080]

約数ペア:

[(1, 20235044080), (2, 10117522040), (4, 5058761020), (5, 4047008816), (8, 2529380510), (10, 2023504408), (16, 1264690255), (19, 1065002320), (20, 1011752204), (38, 532501160), (40, 505876102), (76, 266250580), (80, 252938051), (95, 213000464), (152, 133125290), (190, 106500232), (304, 66562645), (380, 53250116), (760, 26625058), (1520, 13312529)]