72565900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1675

約数の個数: 72

約数和(自身を含む): 176082480

約数和(自身を除く): 103516580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1609, 1804, 2050, 2255, 3218, 4100, 4510, 6436, 8045, 9020, 11275, 16090, 17699, 22550, 32180, 35398, 40225, 45100, 65969, 70796, 80450, 88495, 131938, 160900, 176990, 263876, 329845, 353980, 442475, 659690, 725659, 884950, 1319380, 1451318, 1649225, 1769900, 2902636, 3298450, 3628295, 6596900, 7256590, 14513180, 18141475, 36282950, 72565900]

約数ペア:

[(1, 72565900), (2, 36282950), (4, 18141475), (5, 14513180), (10, 7256590), (11, 6596900), (20, 3628295), (22, 3298450), (25, 2902636), (41, 1769900), (44, 1649225), (50, 1451318), (55, 1319380), (82, 884950), (100, 725659), (110, 659690), (164, 442475), (205, 353980), (220, 329845), (275, 263876), (410, 176990), (451, 160900), (550, 131938), (820, 88495), (902, 80450), (1025, 70796), (1100, 65969), (1609, 45100), (1804, 40225), (2050, 35398), (2255, 32180), (3218, 22550), (4100, 17699), (4510, 16090), (6436, 11275), (8045, 9020)]