13073720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 32883840

約数和(自身を除く): 19810120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 691, 860, 946, 1382, 1720, 1892, 2365, 2764, 3455, 3784, 4730, 5528, 6910, 7601, 9460, 13820, 15202, 18920, 27640, 29713, 30404, 38005, 59426, 60808, 76010, 118852, 148565, 152020, 237704, 297130, 304040, 326843, 594260, 653686, 1188520, 1307372, 1634215, 2614744, 3268430, 6536860, 13073720]

約数ペア:

[(1, 13073720), (2, 6536860), (4, 3268430), (5, 2614744), (8, 1634215), (10, 1307372), (11, 1188520), (20, 653686), (22, 594260), (40, 326843), (43, 304040), (44, 297130), (55, 237704), (86, 152020), (88, 148565), (110, 118852), (172, 76010), (215, 60808), (220, 59426), (344, 38005), (430, 30404), (440, 29713), (473, 27640), (691, 18920), (860, 15202), (946, 13820), (1382, 9460), (1720, 7601), (1892, 6910), (2365, 5528), (2764, 4730), (3455, 3784)]