26481520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25463}}^1$

素因数の和:25489

約数の個数: 40

約数和(自身を含む): 66308256

約数和(自身を除く): 39826736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25463, 50926, 101852, 127315, 203704, 254630, 331019, 407408, 509260, 662038, 1018520, 1324076, 1655095, 2037040, 2648152, 3310190, 5296304, 6620380, 13240760, 26481520]

約数ペア:

[(1, 26481520), (2, 13240760), (4, 6620380), (5, 5296304), (8, 3310190), (10, 2648152), (13, 2037040), (16, 1655095), (20, 1324076), (26, 1018520), (40, 662038), (52, 509260), (65, 407408), (80, 331019), (104, 254630), (130, 203704), (208, 127315), (260, 101852), (520, 50926), (1040, 25463)]