13291880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 35130240

約数和(自身を除く): 21838360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1283, 1295, 1480, 2072, 2566, 2590, 5132, 5180, 6415, 8981, 10264, 10360, 12830, 17962, 25660, 35924, 44905, 47471, 51320, 71848, 89810, 94942, 179620, 189884, 237355, 332297, 359240, 379768, 474710, 664594, 949420, 1329188, 1661485, 1898840, 2658376, 3322970, 6645940, 13291880]

約数ペア:

[(1, 13291880), (2, 6645940), (4, 3322970), (5, 2658376), (7, 1898840), (8, 1661485), (10, 1329188), (14, 949420), (20, 664594), (28, 474710), (35, 379768), (37, 359240), (40, 332297), (56, 237355), (70, 189884), (74, 179620), (140, 94942), (148, 89810), (185, 71848), (259, 51320), (280, 47471), (296, 44905), (370, 35924), (518, 25660), (740, 17962), (1036, 12830), (1283, 10360), (1295, 10264), (1480, 8981), (2072, 6415), (2566, 5180), (2590, 5132)]