13287800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 32401200

約数和(自身を除く): 19113400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 79, 100, 116, 145, 158, 200, 232, 290, 316, 395, 580, 632, 725, 790, 841, 1160, 1450, 1580, 1682, 1975, 2291, 2900, 3160, 3364, 3950, 4205, 4582, 5800, 6728, 7900, 8410, 9164, 11455, 15800, 16820, 18328, 21025, 22910, 33640, 42050, 45820, 57275, 66439, 84100, 91640, 114550, 132878, 168200, 229100, 265756, 332195, 458200, 531512, 664390, 1328780, 1660975, 2657560, 3321950, 6643900, 13287800]

約数ペア:

[(1, 13287800), (2, 6643900), (4, 3321950), (5, 2657560), (8, 1660975), (10, 1328780), (20, 664390), (25, 531512), (29, 458200), (40, 332195), (50, 265756), (58, 229100), (79, 168200), (100, 132878), (116, 114550), (145, 91640), (158, 84100), (200, 66439), (232, 57275), (290, 45820), (316, 42050), (395, 33640), (580, 22910), (632, 21025), (725, 18328), (790, 16820), (841, 15800), (1160, 11455), (1450, 9164), (1580, 8410), (1682, 7900), (1975, 6728), (2291, 5800), (2900, 4582), (3160, 4205), (3364, 3950)]