51727760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1392

約数の個数: 80

約数和(自身を含む): 139491072

約数和(自身を除く): 87763312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1301, 1420, 1988, 2485, 2602, 2840, 3976, 4970, 5204, 5680, 6505, 7952, 9107, 9940, 10408, 13010, 18214, 19880, 20816, 26020, 36428, 39760, 45535, 52040, 72856, 91070, 92371, 104080, 145712, 182140, 184742, 364280, 369484, 461855, 646597, 728560, 738968, 923710, 1293194, 1477936, 1847420, 2586388, 3232985, 3694840, 5172776, 6465970, 7389680, 10345552, 12931940, 25863880, 51727760]

約数ペア:

[(1, 51727760), (2, 25863880), (4, 12931940), (5, 10345552), (7, 7389680), (8, 6465970), (10, 5172776), (14, 3694840), (16, 3232985), (20, 2586388), (28, 1847420), (35, 1477936), (40, 1293194), (56, 923710), (70, 738968), (71, 728560), (80, 646597), (112, 461855), (140, 369484), (142, 364280), (280, 184742), (284, 182140), (355, 145712), (497, 104080), (560, 92371), (568, 91070), (710, 72856), (994, 52040), (1136, 45535), (1301, 39760), (1420, 36428), (1988, 26020), (2485, 20816), (2602, 19880), (2840, 18214), (3976, 13010), (4970, 10408), (5204, 9940), (5680, 9107), (6505, 7952)]