51709840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7103}}^1$

素因数の和:7136

約数の個数: 80

約数和(自身を含む): 147990528

約数和(自身を除く): 96280688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7103, 7280, 14206, 28412, 35515, 49721, 56824, 71030, 92339, 99442, 113648, 142060, 184678, 198884, 248605, 284120, 369356, 397768, 461695, 497210, 568240, 646373, 738712, 795536, 923390, 994420, 1292746, 1477424, 1846780, 1988840, 2585492, 3231865, 3693560, 3977680, 5170984, 6463730, 7387120, 10341968, 12927460, 25854920, 51709840]

約数ペア:

[(1, 51709840), (2, 25854920), (4, 12927460), (5, 10341968), (7, 7387120), (8, 6463730), (10, 5170984), (13, 3977680), (14, 3693560), (16, 3231865), (20, 2585492), (26, 1988840), (28, 1846780), (35, 1477424), (40, 1292746), (52, 994420), (56, 923390), (65, 795536), (70, 738712), (80, 646373), (91, 568240), (104, 497210), (112, 461695), (130, 397768), (140, 369356), (182, 284120), (208, 248605), (260, 198884), (280, 184678), (364, 142060), (455, 113648), (520, 99442), (560, 92339), (728, 71030), (910, 56824), (1040, 49721), (1456, 35515), (1820, 28412), (3640, 14206), (7103, 7280)]