51345440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 131725440

約数和(自身を除く): 80380000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 160, 170, 172, 215, 272, 340, 344, 430, 439, 544, 680, 688, 731, 860, 878, 1360, 1376, 1462, 1720, 1756, 2195, 2720, 2924, 3440, 3512, 3655, 4390, 5848, 6880, 7024, 7310, 7463, 8780, 11696, 14048, 14620, 14926, 17560, 18877, 23392, 29240, 29852, 35120, 37315, 37754, 58480, 59704, 70240, 74630, 75508, 94385, 116960, 119408, 149260, 151016, 188770, 238816, 298520, 302032, 320909, 377540, 597040, 604064, 641818, 755080, 1194080, 1283636, 1510160, 1604545, 2567272, 3020320, 3209090, 5134544, 6418180, 10269088, 12836360, 25672720, 51345440]

約数ペア:

[(1, 51345440), (2, 25672720), (4, 12836360), (5, 10269088), (8, 6418180), (10, 5134544), (16, 3209090), (17, 3020320), (20, 2567272), (32, 1604545), (34, 1510160), (40, 1283636), (43, 1194080), (68, 755080), (80, 641818), (85, 604064), (86, 597040), (136, 377540), (160, 320909), (170, 302032), (172, 298520), (215, 238816), (272, 188770), (340, 151016), (344, 149260), (430, 119408), (439, 116960), (544, 94385), (680, 75508), (688, 74630), (731, 70240), (860, 59704), (878, 58480), (1360, 37754), (1376, 37315), (1462, 35120), (1720, 29852), (1756, 29240), (2195, 23392), (2720, 18877), (2924, 17560), (3440, 14926), (3512, 14620), (3655, 14048), (4390, 11696), (5848, 8780), (6880, 7463), (7024, 7310)]