64050520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 153964800

約数和(自身を除く): 89914280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1187, 1349, 1420, 2374, 2698, 2840, 4748, 5396, 5935, 6745, 9496, 10792, 11870, 13490, 22553, 23740, 26980, 45106, 47480, 53960, 84277, 90212, 112765, 168554, 180424, 225530, 337108, 421385, 451060, 674216, 842770, 902120, 1601263, 1685540, 3202526, 3371080, 6405052, 8006315, 12810104, 16012630, 32025260, 64050520]

約数ペア:

[(1, 64050520), (2, 32025260), (4, 16012630), (5, 12810104), (8, 8006315), (10, 6405052), (19, 3371080), (20, 3202526), (38, 1685540), (40, 1601263), (71, 902120), (76, 842770), (95, 674216), (142, 451060), (152, 421385), (190, 337108), (284, 225530), (355, 180424), (380, 168554), (568, 112765), (710, 90212), (760, 84277), (1187, 53960), (1349, 47480), (1420, 45106), (2374, 26980), (2698, 23740), (2840, 22553), (4748, 13490), (5396, 11870), (5935, 10792), (6745, 9496)]