13156780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7229}}^1$

素因数の和:7258

約数の個数: 48

約数和(自身を含む): 34009920

約数和(自身を除く): 20853140

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, 7229, 14458, 28916, 36145, 50603, 72290, 93977, 101206, 144580, 187954, 202412, 253015, 375908, 469885, 506030, 657839, 939770, 1012060, 1315678, 1879540, 2631356, 3289195, 6578390, 13156780]

約数ペア:

[(1, 13156780), (2, 6578390), (4, 3289195), (5, 2631356), (7, 1879540), (10, 1315678), (13, 1012060), (14, 939770), (20, 657839), (26, 506030), (28, 469885), (35, 375908), (52, 253015), (65, 202412), (70, 187954), (91, 144580), (130, 101206), (140, 93977), (182, 72290), (260, 50603), (364, 36145), (455, 28916), (910, 14458), (1820, 7229)]