66047660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{471769}}^1$

素因数の和:471785

約数の個数: 24

約数和(自身を含む): 158514720

約数和(自身を除く): 92467060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 471769, 943538, 1887076, 2358845, 3302383, 4717690, 6604766, 9435380, 13209532, 16511915, 33023830, 66047660]

約数ペア:

[(1, 66047660), (2, 33023830), (4, 16511915), (5, 13209532), (7, 9435380), (10, 6604766), (14, 4717690), (20, 3302383), (28, 2358845), (35, 1887076), (70, 943538), (140, 471769)]