56891380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31259}}^1$

素因数の和:31288

約数の個数: 48

約数和(自身を含む): 147047040

約数和(自身を除く): 90155660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 31259, 62518, 125036, 156295, 218813, 312590, 406367, 437626, 625180, 812734, 875252, 1094065, 1625468, 2031835, 2188130, 2844569, 4063670, 4376260, 5689138, 8127340, 11378276, 14222845, 28445690, 56891380]

約数ペア:

[(1, 56891380), (2, 28445690), (4, 14222845), (5, 11378276), (7, 8127340), (10, 5689138), (13, 4376260), (14, 4063670), (20, 2844569), (26, 2188130), (28, 2031835), (35, 1625468), (52, 1094065), (65, 875252), (70, 812734), (91, 625180), (130, 437626), (140, 406367), (182, 312590), (260, 218813), (364, 156295), (455, 125036), (910, 62518), (1820, 31259)]