27842960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 68090880

約数和(自身を除く): 40247920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 109, 124, 155, 206, 218, 248, 310, 412, 436, 496, 515, 545, 620, 824, 872, 1030, 1090, 1240, 1648, 1744, 2060, 2180, 2480, 3193, 3379, 4120, 4360, 6386, 6758, 8240, 8720, 11227, 12772, 13516, 15965, 16895, 22454, 25544, 27032, 31930, 33790, 44908, 51088, 54064, 56135, 63860, 67580, 89816, 112270, 127720, 135160, 179632, 224540, 255440, 270320, 348037, 449080, 696074, 898160, 1392148, 1740185, 2784296, 3480370, 5568592, 6960740, 13921480, 27842960]

約数ペア:

[(1, 27842960), (2, 13921480), (4, 6960740), (5, 5568592), (8, 3480370), (10, 2784296), (16, 1740185), (20, 1392148), (31, 898160), (40, 696074), (62, 449080), (80, 348037), (103, 270320), (109, 255440), (124, 224540), (155, 179632), (206, 135160), (218, 127720), (248, 112270), (310, 89816), (412, 67580), (436, 63860), (496, 56135), (515, 54064), (545, 51088), (620, 44908), (824, 33790), (872, 31930), (1030, 27032), (1090, 25544), (1240, 22454), (1648, 16895), (1744, 15965), (2060, 13516), (2180, 12772), (2480, 11227), (3193, 8720), (3379, 8240), (4120, 6758), (4360, 6386)]