56212520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15443}}^1$

素因数の和:15474

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 99463000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 15443, 30886, 61772, 77215, 108101, 123544, 154430, 200759, 216202, 308860, 401518, 432404, 540505, 617720, 803036, 864808, 1003795, 1081010, 1405313, 1606072, 2007590, 2162020, 2810626, 4015180, 4324040, 5621252, 7026565, 8030360, 11242504, 14053130, 28106260, 56212520]

約数ペア:

[(1, 56212520), (2, 28106260), (4, 14053130), (5, 11242504), (7, 8030360), (8, 7026565), (10, 5621252), (13, 4324040), (14, 4015180), (20, 2810626), (26, 2162020), (28, 2007590), (35, 1606072), (40, 1405313), (52, 1081010), (56, 1003795), (65, 864808), (70, 803036), (91, 617720), (104, 540505), (130, 432404), (140, 401518), (182, 308860), (260, 216202), (280, 200759), (364, 154430), (455, 123544), (520, 108101), (728, 77215), (910, 61772), (1820, 30886), (3640, 15443)]