39800800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 108274320

約数和(自身を除く): 68473520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 65, 80, 86, 89, 100, 104, 130, 160, 172, 178, 200, 208, 215, 260, 325, 344, 356, 400, 416, 430, 445, 520, 559, 650, 688, 712, 800, 860, 890, 1040, 1075, 1118, 1157, 1300, 1376, 1424, 1720, 1780, 2080, 2150, 2225, 2236, 2314, 2600, 2795, 2848, 3440, 3560, 3827, 4300, 4450, 4472, 4628, 5200, 5590, 5785, 6880, 7120, 7654, 8600, 8900, 8944, 9256, 10400, 11180, 11570, 13975, 14240, 15308, 17200, 17800, 17888, 18512, 19135, 22360, 23140, 27950, 28925, 30616, 34400, 35600, 37024, 38270, 44720, 46280, 49751, 55900, 57850, 61232, 71200, 76540, 89440, 92560, 95675, 99502, 111800, 115700, 122464, 153080, 185120, 191350, 199004, 223600, 231400, 248755, 306160, 382700, 398008, 447200, 462800, 497510, 612320, 765400, 796016, 925600, 995020, 1243775, 1530800, 1592032, 1990040, 2487550, 3061600, 3980080, 4975100, 7960160, 9950200, 19900400, 39800800]

約数ペア:

[(1, 39800800), (2, 19900400), (4, 9950200), (5, 7960160), (8, 4975100), (10, 3980080), (13, 3061600), (16, 2487550), (20, 1990040), (25, 1592032), (26, 1530800), (32, 1243775), (40, 995020), (43, 925600), (50, 796016), (52, 765400), (65, 612320), (80, 497510), (86, 462800), (89, 447200), (100, 398008), (104, 382700), (130, 306160), (160, 248755), (172, 231400), (178, 223600), (200, 199004), (208, 191350), (215, 185120), (260, 153080), (325, 122464), (344, 115700), (356, 111800), (400, 99502), (416, 95675), (430, 92560), (445, 89440), (520, 76540), (559, 71200), (650, 61232), (688, 57850), (712, 55900), (800, 49751), (860, 46280), (890, 44720), (1040, 38270), (1075, 37024), (1118, 35600), (1157, 34400), (1300, 30616), (1376, 28925), (1424, 27950), (1720, 23140), (1780, 22360), (2080, 19135), (2150, 18512), (2225, 17888), (2236, 17800), (2314, 17200), (2600, 15308), (2795, 14240), (2848, 13975), (3440, 11570), (3560, 11180), (3827, 10400), (4300, 9256), (4450, 8944), (4472, 8900), (4628, 8600), (5200, 7654), (5590, 7120), (5785, 6880)]