13079440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 20668400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 167, 176, 178, 220, 334, 356, 440, 445, 668, 712, 835, 880, 890, 979, 1336, 1424, 1670, 1780, 1837, 1958, 2672, 3340, 3560, 3674, 3916, 4895, 6680, 7120, 7348, 7832, 9185, 9790, 13360, 14696, 14863, 15664, 18370, 19580, 29392, 29726, 36740, 39160, 59452, 73480, 74315, 78320, 118904, 146960, 148630, 163493, 237808, 297260, 326986, 594520, 653972, 817465, 1189040, 1307944, 1634930, 2615888, 3269860, 6539720, 13079440]

約数ペア:

[(1, 13079440), (2, 6539720), (4, 3269860), (5, 2615888), (8, 1634930), (10, 1307944), (11, 1189040), (16, 817465), (20, 653972), (22, 594520), (40, 326986), (44, 297260), (55, 237808), (80, 163493), (88, 148630), (89, 146960), (110, 118904), (167, 78320), (176, 74315), (178, 73480), (220, 59452), (334, 39160), (356, 36740), (440, 29726), (445, 29392), (668, 19580), (712, 18370), (835, 15664), (880, 14863), (890, 14696), (979, 13360), (1336, 9790), (1424, 9185), (1670, 7832), (1780, 7348), (1837, 7120), (1958, 6680), (2672, 4895), (3340, 3916), (3560, 3674)]