51326440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 126956160

約数和(自身を除く): 75629720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 743, 785, 1256, 1486, 1570, 1727, 2972, 3140, 3454, 3715, 5944, 6280, 6908, 7430, 8173, 8635, 13816, 14860, 16346, 17270, 29720, 32692, 34540, 40865, 65384, 69080, 81730, 116651, 163460, 233302, 326920, 466604, 583255, 933208, 1166510, 1283161, 2333020, 2566322, 4666040, 5132644, 6415805, 10265288, 12831610, 25663220, 51326440]

約数ペア:

[(1, 51326440), (2, 25663220), (4, 12831610), (5, 10265288), (8, 6415805), (10, 5132644), (11, 4666040), (20, 2566322), (22, 2333020), (40, 1283161), (44, 1166510), (55, 933208), (88, 583255), (110, 466604), (157, 326920), (220, 233302), (314, 163460), (440, 116651), (628, 81730), (743, 69080), (785, 65384), (1256, 40865), (1486, 34540), (1570, 32692), (1727, 29720), (2972, 17270), (3140, 16346), (3454, 14860), (3715, 13816), (5944, 8635), (6280, 8173), (6908, 7430)]