12838280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3527}}^1$

素因数の和:3558

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 22723960

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, 3527, 3640, 7054, 14108, 17635, 24689, 28216, 35270, 45851, 49378, 70540, 91702, 98756, 123445, 141080, 183404, 197512, 229255, 246890, 320957, 366808, 458510, 493780, 641914, 917020, 987560, 1283828, 1604785, 1834040, 2567656, 3209570, 6419140, 12838280]

約数ペア:

[(1, 12838280), (2, 6419140), (4, 3209570), (5, 2567656), (7, 1834040), (8, 1604785), (10, 1283828), (13, 987560), (14, 917020), (20, 641914), (26, 493780), (28, 458510), (35, 366808), (40, 320957), (52, 246890), (56, 229255), (65, 197512), (70, 183404), (91, 141080), (104, 123445), (130, 98756), (140, 91702), (182, 70540), (260, 49378), (280, 45851), (364, 35270), (455, 28216), (520, 24689), (728, 17635), (910, 14108), (1820, 7054), (3527, 3640)]