64424019280

素因数分解:

$2^4\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{383659}}^1$

素因数の和:385771

約数の個数: 40

約数和(自身を含む): 149857596000

約数和(自身を除く): 85433576720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2099, 4198, 8396, 10495, 16792, 20990, 33584, 41980, 83960, 167920, 383659, 767318, 1534636, 1918295, 3069272, 3836590, 6138544, 7673180, 15346360, 30692720, 805300241, 1610600482, 3221200964, 4026501205, 6442401928, 8053002410, 12884803856, 16106004820, 32212009640, 64424019280]

約数ペア:

[(1, 64424019280), (2, 32212009640), (4, 16106004820), (5, 12884803856), (8, 8053002410), (10, 6442401928), (16, 4026501205), (20, 3221200964), (40, 1610600482), (80, 805300241), (2099, 30692720), (4198, 15346360), (8396, 7673180), (10495, 6138544), (16792, 3836590), (20990, 3069272), (33584, 1918295), (41980, 1534636), (83960, 767318), (167920, 383659)]