64304500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:806

約数の個数: 72

約数和(自身を含む): 152275032

約数和(自身を除く): 87970532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 250, 260, 325, 338, 500, 650, 676, 761, 845, 1300, 1522, 1625, 1690, 3044, 3250, 3380, 3805, 4225, 6500, 7610, 8450, 9893, 15220, 16900, 19025, 19786, 21125, 38050, 39572, 42250, 49465, 76100, 84500, 95125, 98930, 128609, 190250, 197860, 247325, 257218, 380500, 494650, 514436, 643045, 989300, 1236625, 1286090, 2473250, 2572180, 3215225, 4946500, 6430450, 12860900, 16076125, 32152250, 64304500]

約数ペア:

[(1, 64304500), (2, 32152250), (4, 16076125), (5, 12860900), (10, 6430450), (13, 4946500), (20, 3215225), (25, 2572180), (26, 2473250), (50, 1286090), (52, 1236625), (65, 989300), (100, 643045), (125, 514436), (130, 494650), (169, 380500), (250, 257218), (260, 247325), (325, 197860), (338, 190250), (500, 128609), (650, 98930), (676, 95125), (761, 84500), (845, 76100), (1300, 49465), (1522, 42250), (1625, 39572), (1690, 38050), (3044, 21125), (3250, 19786), (3380, 19025), (3805, 16900), (4225, 15220), (6500, 9893), (7610, 8450)]