1040004880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{8171}}^1$

素因数の和:8264

約数の個数: 80

約数和(自身を含む): 2541426624

約数和(自身を除く): 1501421744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 688, 740, 860, 1480, 1591, 1720, 2960, 3182, 3440, 6364, 7955, 8171, 12728, 15910, 16342, 25456, 31820, 32684, 40855, 63640, 65368, 81710, 127280, 130736, 163420, 302327, 326840, 351353, 604654, 653680, 702706, 1209308, 1405412, 1511635, 1756765, 2418616, 2810824, 3023270, 3513530, 4837232, 5621648, 6046540, 7027060, 12093080, 13000061, 14054120, 24186160, 26000122, 28108240, 52000244, 65000305, 104000488, 130000610, 208000976, 260001220, 520002440, 1040004880]

約数ペア:

[(1, 1040004880), (2, 520002440), (4, 260001220), (5, 208000976), (8, 130000610), (10, 104000488), (16, 65000305), (20, 52000244), (37, 28108240), (40, 26000122), (43, 24186160), (74, 14054120), (80, 13000061), (86, 12093080), (148, 7027060), (172, 6046540), (185, 5621648), (215, 4837232), (296, 3513530), (344, 3023270), (370, 2810824), (430, 2418616), (592, 1756765), (688, 1511635), (740, 1405412), (860, 1209308), (1480, 702706), (1591, 653680), (1720, 604654), (2960, 351353), (3182, 326840), (3440, 302327), (6364, 163420), (7955, 130736), (8171, 127280), (12728, 81710), (15910, 65368), (16342, 63640), (25456, 40855), (31820, 32684)]