6409780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 14711760

約数和(自身を除く): 8301980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 277, 356, 445, 554, 890, 1108, 1157, 1385, 1780, 2314, 2770, 3601, 4628, 5540, 5785, 7202, 11570, 14404, 18005, 23140, 24653, 36010, 49306, 72020, 98612, 123265, 246530, 320489, 493060, 640978, 1281956, 1602445, 3204890, 6409780]

約数ペア:

[(1, 6409780), (2, 3204890), (4, 1602445), (5, 1281956), (10, 640978), (13, 493060), (20, 320489), (26, 246530), (52, 123265), (65, 98612), (89, 72020), (130, 49306), (178, 36010), (260, 24653), (277, 23140), (356, 18005), (445, 14404), (554, 11570), (890, 7202), (1108, 5785), (1157, 5540), (1385, 4628), (1780, 3601), (2314, 2770)]