31038280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8527}}^1$

素因数の和:8558

約数の個数: 64

約数和(自身を含む): 85962240

約数和(自身を除く): 54923960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8527, 17054, 34108, 42635, 59689, 68216, 85270, 110851, 119378, 170540, 221702, 238756, 298445, 341080, 443404, 477512, 554255, 596890, 775957, 886808, 1108510, 1193780, 1551914, 2217020, 2387560, 3103828, 3879785, 4434040, 6207656, 7759570, 15519140, 31038280]

約数ペア:

[(1, 31038280), (2, 15519140), (4, 7759570), (5, 6207656), (7, 4434040), (8, 3879785), (10, 3103828), (13, 2387560), (14, 2217020), (20, 1551914), (26, 1193780), (28, 1108510), (35, 886808), (40, 775957), (52, 596890), (56, 554255), (65, 477512), (70, 443404), (91, 341080), (104, 298445), (130, 238756), (140, 221702), (182, 170540), (260, 119378), (280, 110851), (364, 85270), (455, 68216), (520, 59689), (728, 42635), (910, 34108), (1820, 17054), (3640, 8527)]