28908032960

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{258847}}^1$

素因数の和:259213

約数の個数: 56

約数和(自身を含む): 69034761600

約数和(自身を除く): 40126728640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 11168, 13960, 22336, 27920, 55840, 111680, 258847, 517694, 1035388, 1294235, 2070776, 2588470, 4141552, 5176940, 8283104, 10353880, 16566208, 20707760, 41415520, 82831040, 90337603, 180675206, 361350412, 451688015, 722700824, 903376030, 1445401648, 1806752060, 2890803296, 3613504120, 5781606592, 7227008240, 14454016480, 28908032960]

約数ペア:

[(1, 28908032960), (2, 14454016480), (4, 7227008240), (5, 5781606592), (8, 3613504120), (10, 2890803296), (16, 1806752060), (20, 1445401648), (32, 903376030), (40, 722700824), (64, 451688015), (80, 361350412), (160, 180675206), (320, 90337603), (349, 82831040), (698, 41415520), (1396, 20707760), (1745, 16566208), (2792, 10353880), (3490, 8283104), (5584, 5176940), (6980, 4141552), (11168, 2588470), (13960, 2070776), (22336, 1294235), (27920, 1035388), (55840, 517694), (111680, 258847)]