13872560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13339}}^1$

素因数の和:13365

約数の個数: 40

約数和(自身を含む): 34737360

約数和(自身を除く): 20864800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 13339, 26678, 53356, 66695, 106712, 133390, 173407, 213424, 266780, 346814, 533560, 693628, 867035, 1067120, 1387256, 1734070, 2774512, 3468140, 6936280, 13872560]

約数ペア:

[(1, 13872560), (2, 6936280), (4, 3468140), (5, 2774512), (8, 1734070), (10, 1387256), (13, 1067120), (16, 867035), (20, 693628), (26, 533560), (40, 346814), (52, 266780), (65, 213424), (80, 173407), (104, 133390), (130, 106712), (208, 66695), (260, 53356), (520, 26678), (1040, 13339)]