51521120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 140470848

約数和(自身を除く): 88949728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 293, 314, 560, 586, 628, 785, 1099, 1120, 1172, 1256, 1465, 1570, 2051, 2198, 2344, 2512, 2930, 3140, 4102, 4396, 4688, 5024, 5495, 5860, 6280, 8204, 8792, 9376, 10255, 10990, 11720, 12560, 16408, 17584, 20510, 21980, 23440, 25120, 32816, 35168, 41020, 43960, 46001, 46880, 65632, 82040, 87920, 92002, 164080, 175840, 184004, 230005, 322007, 328160, 368008, 460010, 644014, 736016, 920020, 1288028, 1472032, 1610035, 1840040, 2576056, 3220070, 3680080, 5152112, 6440140, 7360160, 10304224, 12880280, 25760560, 51521120]

約数ペア:

[(1, 51521120), (2, 25760560), (4, 12880280), (5, 10304224), (7, 7360160), (8, 6440140), (10, 5152112), (14, 3680080), (16, 3220070), (20, 2576056), (28, 1840040), (32, 1610035), (35, 1472032), (40, 1288028), (56, 920020), (70, 736016), (80, 644014), (112, 460010), (140, 368008), (157, 328160), (160, 322007), (224, 230005), (280, 184004), (293, 175840), (314, 164080), (560, 92002), (586, 87920), (628, 82040), (785, 65632), (1099, 46880), (1120, 46001), (1172, 43960), (1256, 41020), (1465, 35168), (1570, 32816), (2051, 25120), (2198, 23440), (2344, 21980), (2512, 20510), (2930, 17584), (3140, 16408), (4102, 12560), (4396, 11720), (4688, 10990), (5024, 10255), (5495, 9376), (5860, 8792), (6280, 8204)]