25780112

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 53047200

約数和(自身を除く): 27267088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 619, 1096, 1238, 2192, 2476, 2603, 4952, 5206, 9904, 10412, 11761, 20824, 23522, 41648, 47044, 84803, 94088, 169606, 188176, 339212, 678424, 1356848, 1611257, 3222514, 6445028, 12890056, 25780112]

約数ペア:

[(1, 25780112), (2, 12890056), (4, 6445028), (8, 3222514), (16, 1611257), (19, 1356848), (38, 678424), (76, 339212), (137, 188176), (152, 169606), (274, 94088), (304, 84803), (548, 47044), (619, 41648), (1096, 23522), (1238, 20824), (2192, 11761), (2476, 10412), (2603, 9904), (4952, 5206)]