64389080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229961}}^1$

素因数の和:229979

約数の個数: 32

約数和(自身を含む): 165572640

約数和(自身を除く): 101183560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 229961, 459922, 919844, 1149805, 1609727, 1839688, 2299610, 3219454, 4599220, 6438908, 8048635, 9198440, 12877816, 16097270, 32194540, 64389080]

約数ペア:

[(1, 64389080), (2, 32194540), (4, 16097270), (5, 12877816), (7, 9198440), (8, 8048635), (10, 6438908), (14, 4599220), (20, 3219454), (28, 2299610), (35, 1839688), (40, 1609727), (56, 1149805), (70, 919844), (140, 459922), (280, 229961)]