144801680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17921}}^1$

素因数の和:18035

約数の個数: 40

約数和(自身を含む): 340016184

約数和(自身を除く): 195214504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 17921, 35842, 71684, 89605, 143368, 179210, 286736, 358420, 716840, 1433680, 1810021, 3620042, 7240084, 9050105, 14480168, 18100210, 28960336, 36200420, 72400840, 144801680]

約数ペア:

[(1, 144801680), (2, 72400840), (4, 36200420), (5, 28960336), (8, 18100210), (10, 14480168), (16, 9050105), (20, 7240084), (40, 3620042), (80, 1810021), (101, 1433680), (202, 716840), (404, 358420), (505, 286736), (808, 179210), (1010, 143368), (1616, 89605), (2020, 71684), (4040, 35842), (8080, 17921)]