13240760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25463}}^1$

素因数の和:25487

約数の個数: 32

約数和(自身を含む): 32084640

約数和(自身を除く): 18843880

約数列:

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

約数ペア:

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