25280336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 52020480

約数和(自身を除く): 26740144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 607, 1096, 1214, 2192, 2428, 2603, 4856, 5206, 9712, 10412, 11533, 20824, 23066, 41648, 46132, 83159, 92264, 166318, 184528, 332636, 665272, 1330544, 1580021, 3160042, 6320084, 12640168, 25280336]

約数ペア:

[(1, 25280336), (2, 12640168), (4, 6320084), (8, 3160042), (16, 1580021), (19, 1330544), (38, 665272), (76, 332636), (137, 184528), (152, 166318), (274, 92264), (304, 83159), (548, 46132), (607, 41648), (1096, 23066), (1214, 20824), (2192, 11533), (2428, 10412), (2603, 9712), (4856, 5206)]