11403920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12959}}^1$

素因数の和:12983

約数の個数: 40

約数和(自身を含む): 28926720

約数和(自身を除く): 17522800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 12959, 25918, 51836, 64795, 103672, 129590, 142549, 207344, 259180, 285098, 518360, 570196, 712745, 1036720, 1140392, 1425490, 2280784, 2850980, 5701960, 11403920]

約数ペア:

[(1, 11403920), (2, 5701960), (4, 2850980), (5, 2280784), (8, 1425490), (10, 1140392), (11, 1036720), (16, 712745), (20, 570196), (22, 518360), (40, 285098), (44, 259180), (55, 207344), (80, 142549), (88, 129590), (110, 103672), (176, 64795), (220, 51836), (440, 25918), (880, 12959)]