12760280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 31570560

約数和(自身を除く): 18810280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 463, 520, 530, 689, 926, 1060, 1378, 1852, 2120, 2315, 2756, 3445, 3704, 4630, 5512, 6019, 6890, 9260, 12038, 13780, 18520, 24076, 24539, 27560, 30095, 48152, 49078, 60190, 98156, 120380, 122695, 196312, 240760, 245390, 319007, 490780, 638014, 981560, 1276028, 1595035, 2552056, 3190070, 6380140, 12760280]

約数ペア:

[(1, 12760280), (2, 6380140), (4, 3190070), (5, 2552056), (8, 1595035), (10, 1276028), (13, 981560), (20, 638014), (26, 490780), (40, 319007), (52, 245390), (53, 240760), (65, 196312), (104, 122695), (106, 120380), (130, 98156), (212, 60190), (260, 49078), (265, 48152), (424, 30095), (463, 27560), (520, 24539), (530, 24076), (689, 18520), (926, 13780), (1060, 12038), (1378, 9260), (1852, 6890), (2120, 6019), (2315, 5512), (2756, 4630), (3445, 3704)]