25445986900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1\times {\mathrm{5641}}^1$

素因数の和:6305

約数の個数: 72

約数和(自身を含む): 56024608640

約数和(自身を除く): 30578621740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 571, 790, 1142, 1580, 1975, 2284, 2855, 3950, 5641, 5710, 7900, 11282, 11420, 14275, 22564, 28205, 28550, 45109, 56410, 57100, 90218, 112820, 141025, 180436, 225545, 282050, 445639, 451090, 564100, 891278, 902180, 1127725, 1782556, 2228195, 2255450, 3221011, 4456390, 4510900, 6442022, 8912780, 11140975, 12884044, 16105055, 22281950, 32210110, 44563900, 64420220, 80525275, 161050550, 254459869, 322101100, 508919738, 1017839476, 1272299345, 2544598690, 5089197380, 6361496725, 12722993450, 25445986900]

約数ペア:

[(1, 25445986900), (2, 12722993450), (4, 6361496725), (5, 5089197380), (10, 2544598690), (20, 1272299345), (25, 1017839476), (50, 508919738), (79, 322101100), (100, 254459869), (158, 161050550), (316, 80525275), (395, 64420220), (571, 44563900), (790, 32210110), (1142, 22281950), (1580, 16105055), (1975, 12884044), (2284, 11140975), (2855, 8912780), (3950, 6442022), (5641, 4510900), (5710, 4456390), (7900, 3221011), (11282, 2255450), (11420, 2228195), (14275, 1782556), (22564, 1127725), (28205, 902180), (28550, 891278), (45109, 564100), (56410, 451090), (57100, 445639), (90218, 282050), (112820, 225545), (141025, 180436)]