66478040

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5021}}^1$

素因数の和:5363

約数の個数: 32

約数和(自身を含む): 150057360

約数和(自身を除く): 83579320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5021, 6620, 10042, 13240, 20084, 25105, 40168, 50210, 100420, 200840, 1661951, 3323902, 6647804, 8309755, 13295608, 16619510, 33239020, 66478040]

約数ペア:

[(1, 66478040), (2, 33239020), (4, 16619510), (5, 13295608), (8, 8309755), (10, 6647804), (20, 3323902), (40, 1661951), (331, 200840), (662, 100420), (1324, 50210), (1655, 40168), (2648, 25105), (3310, 20084), (5021, 13240), (6620, 10042)]