20140986760

素因数分解:

$2^3\times 5^1\times {\mathrm{17657}}^1\times {\mathrm{28517}}^1$

素因数の和:46185

約数の個数: 32

約数和(自身を含む): 45321375960

約数和(自身を除く): 25180389200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17657, 28517, 35314, 57034, 70628, 88285, 114068, 141256, 142585, 176570, 228136, 285170, 353140, 570340, 706280, 1140680, 503524669, 1007049338, 2014098676, 2517623345, 4028197352, 5035246690, 10070493380, 20140986760]

約数ペア:

[(1, 20140986760), (2, 10070493380), (4, 5035246690), (5, 4028197352), (8, 2517623345), (10, 2014098676), (20, 1007049338), (40, 503524669), (17657, 1140680), (28517, 706280), (35314, 570340), (57034, 353140), (70628, 285170), (88285, 228136), (114068, 176570), (141256, 142585)]