12739280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2699}}^1$

素因数の和:2771

約数の個数: 40

約数和(自身を含む): 30132000

約数和(自身を除く): 17392720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 2699, 4720, 5398, 10796, 13495, 21592, 26990, 43184, 53980, 107960, 159241, 215920, 318482, 636964, 796205, 1273928, 1592410, 2547856, 3184820, 6369640, 12739280]

約数ペア:

[(1, 12739280), (2, 6369640), (4, 3184820), (5, 2547856), (8, 1592410), (10, 1273928), (16, 796205), (20, 636964), (40, 318482), (59, 215920), (80, 159241), (118, 107960), (236, 53980), (295, 43184), (472, 26990), (590, 21592), (944, 13495), (1180, 10796), (2360, 5398), (2699, 4720)]