64335880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229771}}^1$

素因数の和:229789

約数の個数: 32

約数和(自身を含む): 165435840

約数和(自身を除く): 101099960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 229771, 459542, 919084, 1148855, 1608397, 1838168, 2297710, 3216794, 4595420, 6433588, 8041985, 9190840, 12867176, 16083970, 32167940, 64335880]

約数ペア:

[(1, 64335880), (2, 32167940), (4, 16083970), (5, 12867176), (7, 9190840), (8, 8041985), (10, 6433588), (14, 4595420), (20, 3216794), (28, 2297710), (35, 1838168), (40, 1608397), (56, 1148855), (70, 919084), (140, 459542), (280, 229771)]